Orchid Chemicals & Pharmaceuticals Limited

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IPC Class
C07D 401/12 - Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings linked by a chain containing hetero atoms as chain links 6
C07D 417/12 - Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group containing two hetero rings linked by a chain containing hetero atoms as chain links 6
A61K 31/546 - Compounds containing 5-thia-1-azabicyclo [4.2.0] octane ring systems, i.e. compounds containing a ring system of the formula , e.g. cephalosporins, cefaclor, cephalexine containing further heterocyclic rings, e.g. cephalothin 4
C07D 413/12 - Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing two hetero rings linked by a chain containing hetero atoms as chain links 4
A61K 31/44 - Non-condensed pyridinesHydrogenated derivatives thereof 3
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Found results for  patents

1.

Mutated cephalosporin hydroxylase and its application in deacetylcephalosporanic acid synthesis

      
Application Number 14371402
Grant Number 09404139
Status In Force
Filing Date 2013-01-09
First Publication Date 2015-08-27
Grant Date 2016-08-02
Owner ORCHID CHEMICALS & PHARMACEUTICALS LIMITED (India)
Inventor
  • Durairaaj, Micheal
  • Thirumoorthy, Ramanan
  • Mishra, Kanhu Charan
  • Chinnathambi, Thangadurai
  • Krishnan, Cavery Manian
  • Rajasekaran, Padma
  • Subramani, Sugumar
  • Selvaraj, Kavitha Daffrose
  • Balakrishnan, Nataraj
  • Ravikumar Chakravarthy, Sathish
  • Natrajan Madhiyazhagan, Arulmozhi

Abstract

A mutant hydroxylase with increased activity and greater substrate specificity towards phenylacetyl-7-ADCA derivatives for the production of phenylacetyl-7-HACA derivatives, which carries one or more amino acid modification at residue positions when compared with certain wild type hydroxylase from certain groups of residues. Also disclosed is a process for the preparation of deacetyl cephalosporanic acid from the corresponding deacetoxy cephalosporanic acid that includes an enzyme of the present invention. Also provided is a method for the production and processing of such enzymes.

IPC Classes  ?

  • C12P 35/06 - Cephalosporin CDerivatives thereof
  • C12N 9/02 - Oxidoreductases (1.), e.g. luciferase
  • C12N 15/06 - Animal cells
  • C12P 35/00 - Preparation of compounds having a 5-thia-1-azabicyclo [4.2.0] octane ring system, e.g. cephalosporin

2.

PROCESS FOR THE PREPARATION OF TAZOBACTAM

      
Application Number IB2013058306
Publication Number 2014/037893
Status In Force
Filing Date 2013-09-05
Publication Date 2014-03-13
Owner ORCHID CHEMICALS & PHARMACEUTICALS LTD (India)
Inventor
  • Udayampalayam Palanisamy, Senthilkumar
  • Venugopal, Sivasankaran
  • Rajamanickam, Kannadhasan
  • Anandan, Sakthivel
  • Singaravel, Mohan
  • Velraj, Loganathan

Abstract

The present invention relates to an improved process for the preparation of Tazobactam of formula (I) having reduced content of cresol. (Formula I) (I)

IPC Classes  ?

  • C07D 499/87 - Compounds being unsubstituted in position 3 or with substituents other than only two methyl radicals attached in position 3, and with a carbon atom having three bonds to hetero atoms with at the most one bond to halogen, e.g. an ester or nitrile radical, directly attached in position 2

3.

AN IMPROVED PROCESS FOR THE PREPARATION OF CARBAPENEM ANTIBIOTIC

      
Application Number IN2013000229
Publication Number 2013/150550
Status In Force
Filing Date 2013-04-04
Publication Date 2013-10-10
Owner ORCHID CHEMICALS & PHARMACEUTICALS LIMITED (India)
Inventor
  • Udayampalayam Palanisamy, Senthilkumar
  • Kanagaraj, Sureshkumar
  • Kommoju, Nagesh Babu
  • Henry, Syril Sudhan
  • Ponraj, Pravin Kamaraj
  • Thangaiyan, Suresh

Abstract

The present invention provides an improved process for the preparation Ertapenem monosodium of formula (I) having purity greater than 98.5% and having pharmaceutically acceptable level of palladium and residual solvent. (I)

IPC Classes  ?

4.

AN IMPROVED PROCESS FOR THE PREPARATION OF CARBAPENEM ANTIBIOTIC

      
Application Number IB2013051721
Publication Number 2013/132422
Status In Force
Filing Date 2013-03-05
Publication Date 2013-09-12
Owner ORCHID CHEMICALS & PHARMACEUTICALS LTD (India)
Inventor
  • Ramar, Padmanabhan
  • Gedi, Sreedhar
  • Ramasamy, Siddhumanickam
  • Udayampalayam Palanisamy, Senthilkumar

Abstract

The present invention relates to an improved process for the preparation of Biapenem of Formula (I) having reconstitution time less than 25 seconds. (Formula (I))

IPC Classes  ?

  • C07D 519/06 - Heterocyclic compounds containing more than one system of two or more relevant hetero rings condensed among themselves or condensed with a common carbocyclic ring system not provided for in groups or containing at least one condensed beta-lactam ring system, provided for by groups , or , e.g. a penem or a cepham system
  • C07B 63/04 - Use of additives

5.

Crystalline sodium salt of cephalosporin antibiotic

      
Application Number 13054262
Grant Number 08431562
Status In Force
Filing Date 2009-08-20
First Publication Date 2011-06-09
Grant Date 2013-04-30
Owner Orchid Chemicals & Pharmaceuticals Limited (India)
Inventor
  • Udayampalayam Palanisamy, Senthilkumar
  • Balasubramanian, Sivakumar
  • Arasappan, Manimaran
  • Soma Sundaram, Meenakshi Sundaram
  • Kanagaraj, Sureshkumar
  • Singaravel, Mohan

Abstract

Polymorphs of Ceftiofur sodium as a crystalline product and a process for the preparation of polymorphs of crystalline Ceftiofur sodium of formula (I).

IPC Classes  ?

  • C07D 501/36 - Methylene radicals, substituted by sulfur atoms
  • A61K 31/546 - Compounds containing 5-thia-1-azabicyclo [4.2.0] octane ring systems, i.e. compounds containing a ring system of the formula , e.g. cephalosporins, cefaclor, cephalexine containing further heterocyclic rings, e.g. cephalothin

6.

HISTONE DEACETYLASE INHIBITORS FOR THE TREATMENT OF FUNGAL INFECTIONS

      
Application Number IN2010000738
Publication Number 2011/058582
Status In Force
Filing Date 2010-11-12
Publication Date 2011-05-19
Owner ORCHID RESEARCH LABORATORIES LTD. (India)
Inventor
  • Rajagopal, Sridharan
  • Thangapazham, Selvakumar
  • Paul-Satyaseela, Maneesh
  • Balasubramanian, Gopalan
  • Shakti Singh, Solanki
  • Kuppusamy, Bharathimohan
  • Kachhadia, Virendra
  • Chenniappan, Vinoth Kumar
  • Ganesan, Karthikeyan
  • Narayanan, Shridhar

Abstract

Described are bridged compounds of the formula (I), their analogs, tautomeric forms, stereoisomers, geometrical isomers, polymorphs, hydrates, solvates, pharmaceutically acceptable salts, pharmaceutical compositions, metabolites and prodrugs thereof. The invention relates to compositions and methods to treat fungal infection. These compounds are selective HDAC inhibitors that act as inherent antifungal compounds or enhance the activity of other antifungal compounds such as azoles.

IPC Classes  ?

  • C07C 259/06 - Compounds containing carboxyl groups, an oxygen atom of a carboxyl group being replaced by a nitrogen atom, this nitrogen atom being further bound to an oxygen atom and not being part of nitro or nitroso groups without replacement of the other oxygen atom of the carboxyl group, e.g. hydroxamic acids having carbon atoms of hydroxamic groups bound to hydrogen atoms or to acyclic carbon atoms
  • C07D 277/46 - Acylated amino or imino radicals by carboxylic acids, or sulfur or nitrogen analogues thereof
  • C07D 277/48 - Acylated amino or imino radicals by radicals derived from carbonic acid, or sulfur or nitrogen analogues thereof, e.g. carbonylguanidines
  • C07D 487/08 - Bridged systems
  • A61P 31/00 - Antiinfectives, i.e. antibiotics, antiseptics, chemotherapeutics
  • A61K 31/426 - 1,3-Thiazoles
  • A61K 31/55 - Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having seven-membered rings, e.g. azelastine, pentylenetetrazole

7.

Crystalline sodium salt of cephalosporin antibiotic

      
Application Number 12903751
Grant Number 08470809
Status In Force
Filing Date 2010-10-13
First Publication Date 2011-03-10
Grant Date 2013-06-25
Owner Orchid Chemicals & Pharmaceuticals Limited (India)
Inventor
  • Kanagaraj, Sureshkumar
  • Balasubramanian, Sivakumar
  • Udayampalayam Palanisamy, Senthilkumar

Abstract

The present invention relates to novel polymorph of Ceftiofur sodium as a crystalline product. The present invention also provides a process for the preparation of novel polymorphs of crystalline Ceftiofur sodium of formula (I).

IPC Classes  ?

  • A61K 31/546 - Compounds containing 5-thia-1-azabicyclo [4.2.0] octane ring systems, i.e. compounds containing a ring system of the formula , e.g. cephalosporins, cefaclor, cephalexine containing further heterocyclic rings, e.g. cephalothin

8.

AN IMPROVED PROCESS FOR THE PREPARATION OF ESOMEPRAZOLE MAGNESIUM DIHYDRATE

      
Application Number IB2010001791
Publication Number 2011/012957
Status In Force
Filing Date 2010-07-23
Publication Date 2011-02-03
Owner ORCHID CHEMICALS & PHARMACEUTICALS LTD (India)
Inventor
  • Reguri, Buchi Reddy
  • Upparapalli, Sampathkumar
  • Sivadas, Anand
  • Vigneswara Chellam, Ravisankar
  • Shanmuga Sundaram, Bharani Kumar
  • Subbaiah, Ramesh

Abstract

The present invention provides an improved process for the preparation of Esomeprazole magnesium dihydrate of formula (I) and its intermediates particularly 5-methoxy-2-[[(4-methoxy-315-dimethyl-2-pyridinyl)-methyl]thio]-1H- benzimidazole (pro-chiral) compound of formula (II).

IPC Classes  ?

  • C07D 401/12 - Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings linked by a chain containing hetero atoms as chain links

9.

AN IMPROVED PROCESS FOR THE PREPARATION OF CARBAPENEM ANTIBIOTIC

      
Application Number IB2010000372
Publication Number 2010/097686
Status In Force
Filing Date 2010-02-25
Publication Date 2010-09-02
Owner ORCHID CHEMICALS & PHARMACEUTICALS LTD (India)
Inventor
  • Kanagaraj, Sureshkumar
  • Udayampalayam Palanisamy, Senthilkumar
  • Addanki, Maruthi, Chandrasekhara, Kishor
  • Dasari, Vinod, Babu
  • John Peter, John, Bosco
  • Lakshmi Narayanan, Karthikeyan

Abstract

The present invention relates to an improved process for the preparation of the carbapenem antibiotic of formula (I) or its salts, hydrates and esters. The present invention further provides novel crystalline form of compound of general formula (III), wherein R3 is p-nitrobenzyloxy carbonyl.

IPC Classes  ?

  • C07D 477/06 - Preparation from compounds already containing the ring or condensed ring systems, e.g. by dehydrogenation of the ring, by introduction, elimination or modification of substituents
  • C07D 207/08 - Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members with hydrocarbon radicals, substituted by hetero atoms, attached to ring carbon atoms

10.

PHARMACEUTICAL COMPOSITION COMPRISING CILASTATIN, A CHELATING AGENT AND OPT. A PENEM ANTIBIOTIC

      
Application Number IB2010000037
Publication Number 2010/092446
Status In Force
Filing Date 2010-01-12
Publication Date 2010-08-19
Owner ORCHID CHEMICALS & PHARMACEUTICALS LTD (India)
Inventor
  • Senthilkumar, Udayampalayam Palanisamy
  • Mohan, Singaravel

Abstract

The present invention refers to a stable pharmaceutical composition comprising cilastatin, a chelating agent and opt. a penem antibiotic (preferably imipenem). Additionally, the composition can also contain a buffer.

IPC Classes  ?

  • A61K 31/407 - Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having five-membered rings with one nitrogen as the only ring hetero atom, e.g. sulpiride, succinimide, tolmetin, buflomedil condensed with heterocyclic ring systems, e.g. ketorolac, physostigmine
  • A61K 31/155 - Amidines (), e.g. guanidine (H2N—C(=NH)—NH2), isourea (HN=C(OH)NH2), isothiourea (HN=C(SH)—NH2)
  • A61K 31/194 - Carboxylic acids, e.g. valproic acid having two or more carboxyl groups, e.g. succinic, maleic or phthalic acid

11.

HETEROCYCLIC COMPOUNDS AS PHOSPHODIESTERASE INHIBITORS

      
Application Number IB2010000094
Publication Number 2010/084402
Status In Force
Filing Date 2010-01-21
Publication Date 2010-07-29
Owner ORCHID RESEARCH LABORATORIES LTD. (India)
Inventor
  • Balasubramanian, Gopalan
  • Narayanan, Sukunath
  • Sharma, Ganapavarapu, Veera, Raghava
  • Andiappan, Lavanya
  • Narayanan, Shridhar
  • Saxena, Sanjeev
  • Rajagopal, Sridharan
  • Vishwakarma, Lolaknath, Santosh
  • Thirunavukkarasu, Saravanan

Abstract

Described are compounds of the formula (I), their derivatives, analogs, tautomeric forms, regioisomers, stereoisomers, polymorphs, solvates, intermediates, pharmaceutically acceptable salts, pharmaceutical compositions, N-oxides, metabolites and prodrugs thereof. These compounds are phosphodiesterase type 4 (PDE4) inhibitors. They are useful in the treatment of a variety of allergic or inflammatory diseases including asthma, COPD, chronic bronchitis, atopic dermatitis, allergic rhinitis, allergic conjunctivitis, vernal conjuctivitis, psoriasis, rheumatoid arthritis, ulcerative colitis, Crohn's disease, uveitis, NASH and lupus.

IPC Classes  ?

  • C07D 413/04 - Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing two hetero rings directly linked by a ring-member-to-ring- member bond
  • C07D 417/04 - Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group containing two hetero rings directly linked by a ring-member-to-ring- member bond
  • C07D 417/14 - Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group containing three or more hetero rings

12.

DIPEPTIDYL PEPTIDASE IV INHIBITORS

      
Application Number IB2010000008
Publication Number 2010/079413
Status In Force
Filing Date 2010-01-07
Publication Date 2010-07-15
Owner ORCHID RESEARCH LABORATORIES LTD. (India)
Inventor
  • Balasubramanian, Gopalan
  • Sakamuri, Sukumar
  • Singh, Gajendra
  • Dharmalingam, Sivanesan
  • Pooppady Xavier, Franklin
  • Narayanan, Shridhar
  • Mookkan, Jeyamurugan
  • Balasubramanian, Jeganatha, Sivakumar
  • Rajalingam, Agneeswari
  • Kulathingal, Jayanarayan

Abstract

Described are novel compounds of the Formula (I), their derivatives, analogs, tautomeric forms, regioisomers, stereoisomers, polymorphs, solvates, intermediates, pharmaceutically acceptable salts, pharmaceutical compositions, metabolites and prodrugs thereof. These compounds are effective in lowering blood glucose, serum insulin, free fatty acids, cholesterol, triglyceride levels; treatment of obesity, inflammation, autoimmune diseases such as multiple sclerosis, rheumatoid arthritis; treatment and/or prophylaxis of type II diabetes. These compounds are more particularly dipeptidyl peptidase (DPP IV) inhibitors.

IPC Classes  ?

  • C07D 207/10 - Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms

13.

HETEROCYCLIC COMPOUNDS AS HDAC INHIBITORS

      
Application Number IB2009007707
Publication Number 2010/073078
Status In Force
Filing Date 2009-12-10
Publication Date 2010-07-01
Owner ORCHID RESEARCH LABORATORIES LTD. (India)
Inventor
  • Balasubramanian, Gopalan
  • Rajagopal, Sridharan
  • Rathinasamy, Suresh
  • Kilambi, Narasimhan
  • Rajendran, Praveen
  • Narayanan, Shridhar

Abstract

The present invention relates to heterocyclic compounds of the general formula (I) their derivatives, analogs, tautomeric forms, stereoisomers, geometrical isomers, polymorphs, hydrates, solvates, metabolites, prodrugs, pharmaceutically acceptable salts and compositions thereof. Also included is method for treatment of proliferative conditions and cancer, conditions mediated by HDAC, in a mammal comprising administering an effective amount of compound formula (I) as described above.

IPC Classes  ?

  • C07D 215/233 - Oxygen atoms attached in position 2 or 4 only one oxygen atom which is attached in position 4

14.

NOVEL BRIDGED CYCLIC COMPOUNDS AS HISTONE DEACETYLASE INHIBITORS

      
Application Number IB2009007132
Publication Number 2010/043953
Status In Force
Filing Date 2009-10-14
Publication Date 2010-04-22
Owner ORCHID RESEARCH LABORATORIES LTD. (India)
Inventor
  • Balasubramanian, Gopalan
  • Thanasekaran, Ponpandian
  • Rajagopal, Sridharan
  • Kuppusamy, Bharathimohan
  • Kachhadia, Virendra
  • Radhakrishnan, Vignesh
  • Velaiah, Sivasudar
  • Narayanan, Shridhar
  • Bhonde, Mandar
  • Rajendran, Praveen
  • Rajagopal, Sriram

Abstract

Provided herein are novel bridged cyclic derivatives of the general formula (I), their analogs, tautomeric forms, stereoisomers, polymorphs, solvates, intermediates, pharmaceutically acceptable salts, pharmaceutical compositions, metabolites and prodrugs thereof. These compounds can inhibit HDACs and are useful as therapeutic or ameliorating agent for diseases that are involved in cellular growth such as malignant tumors, autoimmune diseases, skin diseases, infections, inflammation, neurodegenerative disorders etc.

IPC Classes  ?

  • C07C 13/615 - Adamantanes
  • C07C 237/00 - Carboxylic acid amides, the carbon skeleton of the acid part being further substituted by amino groups
  • C07C 239/08 - Hydroxylamino compounds or their ethers or esters

15.

CRYSTALLINE SODIUM SALT OF CEPHALOSPORIN ANTIBIOTIC

      
Application Number IB2009006609
Publication Number 2010/020871
Status In Force
Filing Date 2009-08-20
Publication Date 2010-02-25
Owner ORCHID CHEMICALS & PHARMACEUTICALS LIMITED (India)
Inventor
  • Udayampalayam Palanisamy, Senthilkumar
  • Balasubramanian, Sivakumar
  • Arasappan, Manimaran
  • Soma Sundaram, Meenakshi Sundaram
  • Kanagaraj, Sureshkumar
  • Singaravel, Mohan

Abstract

The present invention relates to novel polymorphs of Ceftiofur sodium as a crystalline product. The present invention also provides a process for the preparation of novel polymorphs of crystalline Ceftiofur sodium of formula (I).

IPC Classes  ?

  • C07D 501/36 - Methylene radicals, substituted by sulfur atoms

16.

NOVEL HETEROCYCLES

      
Application Number IB2009000157
Publication Number 2009/095773
Status In Force
Filing Date 2009-01-30
Publication Date 2009-08-06
Owner
  • ORCHID RESEARCH LABORATORIES LIMITED (India)
  • ORCHID RESEARCH LABORATORIES LIMITED (India)
Inventor Reddy, Gaddam, Om

Abstract

Described are novel heterocyclic compounds of the general formula (I), their derivatives, analogs, tautomeric forms, stereoisomers, polymorphs, hydrates, solvates, pharmaceutically acceptable salts, pharmaceutical compositions, metabolites and prodrugs thereof. These compounds are useful in the treatment of immunological diseases, inflammation, pain disorder, rheumatoid arthritis; osteoporosis; multiple myeloma; uveititis; acute and chronic myelogenous leukemia; atherosclerosis; cancer; cachexia; ischemic-induced cell damage; pancreatic beta cell destruction; osteoarthritis; rheumatoid spondylitis; gouty arthritis; inflammatory bowel disease; ARDS; psoriasis; Crohn's disease; allergic rhinitis; ulcerative colitis; anaphylaxis; contact dermatitis; muscle degeneration; asthma; COPD; bone resorption diseases; multiple sclerosis; sepsis; septic shock; toxic shock syndrome and fever. More particularly these compounds are useful as PDE4 inhibitors and are useful for treating PDE4 mediated diseases.

IPC Classes  ?

  • C07D 239/42 - One nitrogen atom
  • C07D 213/30 - Oxygen atoms
  • C07D 239/32 - One oxygen, sulfur or nitrogen atom
  • C07D 401/04 - Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings directly linked by a ring-member-to-ring- member bond
  • C07D 401/12 - Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings linked by a chain containing hetero atoms as chain links
  • C07D 403/04 - Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group containing two hetero rings directly linked by a ring-member-to-ring- member bond
  • C07D 403/12 - Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group containing two hetero rings linked by a chain containing hetero atoms as chain links
  • A61K 31/505 - PyrimidinesHydrogenated pyrimidines, e.g. trimethoprim

17.

A METHOD FOR THE PREPARATION OF DULOXETINE HYDROCHLORIDE

      
Application Number IB2008003636
Publication Number 2009/087463
Status In Force
Filing Date 2008-12-26
Publication Date 2009-07-16
Owner ORCHID CHEMICALS & PHARMACEUTICALS LIMITED (India)
Inventor
  • Mahender, Rao, Siripragada
  • Thangavel, Arulmoli
  • Muthulingam, Arunagiri
  • Yarroju, Prasadachari
  • Tayyala, Kiranmye

Abstract

The present invention relates to an improved process for the preparation of Duloxetine and its intermediates (S)-(+)-N,N-dimethyl-3-(1-naphthalenyloxy)-3-(2- thienyl)propanamine by reacting (S)-(-)-N,N-dimethyl-3-(2-thienyl)-3-. hydroxypropanamine with 1-fluoronaphthalene in the presence of a base; wherein the improvement lies in conducting the reaction in the absence of solvent.

IPC Classes  ?

  • C07D 333/20 - Radicals substituted by singly bound hetero atoms other than halogen by nitrogen atoms

18.

AN IMPROVED PROCESS FOR THE PREPARATION OF PALIPERIDONE AND ITS INTERMEDIATES

      
Application Number IB2008002985
Publication Number 2009/060297
Status In Force
Filing Date 2008-11-07
Publication Date 2009-05-14
Owner ORCHID CHEMICALS & PHARMACEUTICALS LIMITED (India)
Inventor
  • Thangavel, Arulmoli
  • Muthulingam, Arunagiri
  • Shanmuganathan, Thirugnanasambandan
  • Vadivelan, Rengasamy
  • Saravanakumar, Kasiyappan, Gurusamy
  • Mahender, Rao, Siripragada

Abstract

The present invention relates to a process for the preparation of a psychotropic agent Paliperidone. Preferably, this invention relates to a method for the purification of Paliperidone by making its acid addition salts.

IPC Classes  ?

19.

STILBENE DERIVATIVES AS PSTAT3/IL-6 INHIBITORS

      
Application Number IB2008002943
Publication Number 2009/060282
Status In Force
Filing Date 2008-11-04
Publication Date 2009-05-14
Owner ORCHID RESEARCH LABORATORIES LIMITED (India)
Inventor
  • Rajagopal, Sridharan
  • Selvakumar, Thangapazham
  • Bharathimohan, Kuppusamy
  • Kachhadia, Virendra
  • Rajagopal, Sriram
  • Praveen, Rajendran
  • Balaji, Ramachandran

Abstract

Described are novel compounds of the formula (I), their derivatives, analogs, tautomeric forms, stereoisomers, polymorphs, hydrates, solvates, intermediates, pharmaceutically acceptable salts, pharmaceutical compositions, metabolites, and prodrugs thereof. These novel compounds can inhibit pSTAT3/IL-6 and are useful as a therapeutic or ameliorating agent for diseases that are involved in cellular growth such as malignant tumors, autoimmune diseases, skin diseases, infections, inflammation, etc.

IPC Classes  ?

  • C07C 217/04 - Compounds containing amino and etherified hydroxy groups bound to the same carbon skeleton having etherified hydroxy groups and amino groups bound to acyclic carbon atoms of the same carbon skeleton the carbon skeleton being acyclic and saturated
  • C07C 213/00 - Preparation of compounds containing amino and hydroxy, amino and etherified hydroxy or amino and esterified hydroxy groups bound to the same carbon skeleton
  • A61K 31/221 - Esters, e.g. nitroglycerine, selenocyanates of carboxylic acids of acyclic acids, e.g. pravastatin with compounds having an amino group, e.g. acetylcholine, acetylcarnitine

20.

HISTONE DEACETYLASE INHIBITORS

      
Application Number IB2008002799
Publication Number 2009/053808
Status In Force
Filing Date 2008-10-21
Publication Date 2009-04-30
Owner ORCHID RESEARCH LABORATORIES LIMITED (India)
Inventor
  • Rajagopal, Sridharan
  • Kachhadia, Virendra
  • Ponpandian, Thanasekaran
  • Keeri, Abdul, Raheem
  • Anandhan, Karnambaram
  • Rajagopal, Sriram
  • Praveen, Rajendran
  • Daivasigamani, Prabhu

Abstract

Novel compounds of the general formula (I), having histone deacetylase (HDAC) inhibiting enzymatic activity, their derivatives, analogs, tautomeric forms, stereoisomers, polymorphs, hydrates, solvates, intermediates, pharmaceutically acceptable salts, pharmaceutical compositions, metabolites and prodrugs thereof. The present invention more particularly provides novel compounds of the general formula (I). Also included is a method for treatment of cancer, psoriasis, proliferative conditions and conditions mediated by HDAC, in a mammal comprising administering an effective amount of a novel compound of formula (I).

IPC Classes  ?

  • C07C 259/06 - Compounds containing carboxyl groups, an oxygen atom of a carboxyl group being replaced by a nitrogen atom, this nitrogen atom being further bound to an oxygen atom and not being part of nitro or nitroso groups without replacement of the other oxygen atom of the carboxyl group, e.g. hydroxamic acids having carbon atoms of hydroxamic groups bound to hydrogen atoms or to acyclic carbon atoms
  • C07C 259/10 - Compounds containing carboxyl groups, an oxygen atom of a carboxyl group being replaced by a nitrogen atom, this nitrogen atom being further bound to an oxygen atom and not being part of nitro or nitroso groups without replacement of the other oxygen atom of the carboxyl group, e.g. hydroxamic acids having carbon atoms of hydroxamic groups bound to carbon atoms of six-membered aromatic rings
  • C07C 235/84 - Carboxylic acid amides, the carbon skeleton of the acid part being further substituted by oxygen atoms having carbon atoms of carboxamide groups and doubly-bound oxygen atoms bound to the same carbon skeleton with the carbon atom of at least one of the carboxamide groups bound to a carbon atom of a six-membered aromatic ring

21.

NOVEL HISTONE DEACETYLASE INHIBITORS

      
Application Number IB2008002652
Publication Number 2009/047615
Status In Force
Filing Date 2008-10-08
Publication Date 2009-04-16
Owner ORCHID RESEARCH LABORATORIES LIMITED (India)
Inventor
  • Rajagopal, Sridharan
  • Kachhadia, Virendra
  • Ponpandian, Thanasekaran
  • Keeri, Abdul, Raheem
  • Mani, Umamaheswari
  • Rathinasamy, Suresh
  • Rajendran, Praveen
  • Mani, Kamaraj
  • Ramachandran, Balaji
  • Narayanaswamy, Punthalir
  • Rajagopal, Sriram

Abstract

Provided herein are novel, stilbene like compounds of the general formula (I), their derivatives, analogs, tautomeric forms, stereoisomers, polymorphs, hydrates, metabolites, prodrugs, solvates, pharmaceutically acceptable salts and compositions thereof. These compounds can inhibit HDACs and are useful as a therpeautic or ameliorating agent for diseases that are involved in cellular growth such as malignant tumors, autoimmune diseases, skin diseases, infections, inflammation, etc.

IPC Classes  ?

  • C07C 237/40 - Carboxylic acid amides, the carbon skeleton of the acid part being further substituted by amino groups having the carbon atom of at least one of the carboxamide groups bound to a carbon atom of a non-condensed six-membered aromatic ring of the carbon skeleton having the nitrogen atom of the carboxamide group bound to a carbon atom of a six-membered aromatic ring
  • C07C 259/10 - Compounds containing carboxyl groups, an oxygen atom of a carboxyl group being replaced by a nitrogen atom, this nitrogen atom being further bound to an oxygen atom and not being part of nitro or nitroso groups without replacement of the other oxygen atom of the carboxyl group, e.g. hydroxamic acids having carbon atoms of hydroxamic groups bound to carbon atoms of six-membered aromatic rings
  • C07D 213/56 - Amides
  • C07D 333/24 - Radicals substituted by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals

22.

PROCESS FOR THE PREPARATION OF CARBAPENEM ANTIBIOTIC

      
Application Number IB2008002560
Publication Number 2009/047604
Status In Force
Filing Date 2008-09-30
Publication Date 2009-04-16
Owner ORCHID CHEMICALS & PHARMACEUTICALS LIMITED (India)
Inventor
  • Udayampalayam, Palanisamy, Senthilkumar
  • Singaravel, Mohan
  • Heeralal, Vignesh, Babu

Abstract

An improved process for the preparation of carbapenem antibiotic of formula (I) or its hydrate is provided.

IPC Classes  ?

23.

AN IMPROVED PROCESS FOR THE PREPARATION OF TADALAFIL INTERMEDIATE

      
Application Number IB2008002642
Publication Number 2009/047613
Status In Force
Filing Date 2008-10-07
Publication Date 2009-04-16
Owner ORCHID CHEMICALS & PHARMACEUTICALS LIMITED (India)
Inventor
  • Veerappan, Vijayabaskar
  • Swaminathan, Susi
  • Mahender, Rao, Siripragada

Abstract

The present invention relates to an improved process for the preparation of Tadalafil intermediate (1R,3R)Methyl-1,2,3,4-tetrahydro-1-(3,4-methylenedioxyphenyl)-9H-pyrido[3,4-b]indole-3-carboxylate of formula III comprising a modified Pictet-Spengler reaction between the compound of formula II and piperonal in a mixture of aromatic hydrocarbon solvent and a glycol.

IPC Classes  ?

24.

MAO A INHIBITORS WITH A DIPHENYL ETHER-SUBSTRUCTURE.

      
Application Number IB2007002556
Publication Number 2009/030968
Status In Force
Filing Date 2007-09-05
Publication Date 2009-03-12
Owner ORCHID RESEARCH LABORATORIES LIMITED (India)
Inventor
  • Dey, Debendranath
  • Singh, Gajendra
  • Neogi, Partha
  • Ramachandran, Uma
  • Santhanagopalan, Chithra

Abstract

The present invention provides a new medical use for the compounds of the formula (I), their derivatives, analogs, tautomeric forms, stereoisomers, polymorphs, hydrates, solvates, pharmaceutically acceptable salts and compositions, metabolites and prodrugs thereof, as MAO-A inhibitors. Also included is a method for prophylaxis and treatment of mental disorders such as depression, in a mammal, comprising administering an effective amount of a compound of formula (I). These compounds are also effective in treating a disease, condition or disorder such as weight loss, obesity, bulimia, depression, bipolar disorders, psychoses, schizophrenia, behaviors, alcoholism, tobacco abuse, memory loss, Alzheimer's disease, dementia of aging, seizure disorders, epilepsy, attention deficit disorder, and Parkinson's disease, which is modulated by a cannabinoid receptor antagonist.

IPC Classes  ?

  • C07D 417/10 - Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group containing two hetero rings linked by a carbon chain containing aromatic rings
  • C07D 417/12 - Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group containing two hetero rings linked by a chain containing hetero atoms as chain links
  • C07D 413/10 - Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing two hetero rings linked by a carbon chain containing aromatic rings
  • C07D 413/12 - Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing two hetero rings linked by a chain containing hetero atoms as chain links
  • A61K 31/085 - Ethers or acetals having an ether linkage to aromatic ring nuclear carbon

25.

A PROCESS FOR THE PREPARATION OF NARATRIPTAN HYDROCHLORIDE

      
Application Number IB2008001971
Publication Number 2009/016466
Status In Force
Filing Date 2008-07-30
Publication Date 2009-02-05
Owner ORCHID CHEMICALS & PHARMACEUTICALS LIMITED (India)
Inventor
  • Siripragada, Mahender, Rao
  • Upparapalli, Sampath, Kumar
  • Sharma, Hitesh, Chandraprakash
  • Shanmuga, Sundaram, Bharani, Kumar
  • Pandiprabu, Murugesan

Abstract

The present invention provides a process for the preparation of Naratriptan hydrochloride which comprises decarboxylation of 5-{2-[(methylamino) sulfonyl] ethyl}-1H-indole-2-carboxylic acid to get 2-(1H-indol-5-yl)-N-methylethanesulfonamide using sulfolane as a solvent, and further reacting 2-(1H-indol-5-yl)-N-methylethanesulfonamide to obtain Naratriptan hydrochloride.

IPC Classes  ?

  • A61K 31/4178 - 1,3-Diazoles not condensed and containing further heterocyclic rings, e.g. pilocarpine, nitrofurantoin
  • C07D 401/04 - Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings directly linked by a ring-member-to-ring- member bond

26.

MODIFIED ESTERASE AND ITS APPLICATIONS

      
Application Number IB2008001942
Publication Number 2009/013611
Status In Force
Filing Date 2008-07-25
Publication Date 2009-01-29
Owner ORCHID CHEMICALS & PHARMACEUTICALS LIMITED (India)
Inventor
  • Durairaaj, Micheal
  • Vinayagam, Vasu
  • Masilamani, Twinkle, Jasmine
  • Thirumoorthy, Ramanan
  • Krishnan, Cavery, Manian
  • Harit, Ravi, Kanth

Abstract

The present invention relates to a modified esterase with enhanced deacetylation activity for 7-ACA or its acyl amino derivative and cephalosporin C for the production of HACA and 3-deacetyl cephalosporin C, respectively, which carries one or more amino acid modification at residue positions when compared with the wild type esterase (MTCC 121) from the following group of residues, Aspartic acid at position 43, Methionine at position 138, Tyrosine at position 222 and Arginine at position 231.

IPC Classes  ?

  • C12N 15/55 - Hydrolases (3)
  • C12P 35/00 - Preparation of compounds having a 5-thia-1-azabicyclo [4.2.0] octane ring system, e.g. cephalosporin
  • C12P 35/06 - Cephalosporin CDerivatives thereof

27.

IMPROVED PROCESS FOR THE PREPARATION OF CEFEPIME INTERMEDIATE

      
Application Number IB2008001734
Publication Number 2009/004463
Status In Force
Filing Date 2008-07-02
Publication Date 2009-01-08
Owner ORCHID CHEMICALS & PHARMACEUTICALS LIMITED (India)
Inventor
  • Udayampalayam, Palanisamy, Senthilkumar
  • Kanagaraj, Sureshkumar
  • Singaravel, Mohan
  • Michael, Sekar, Jeyaraj

Abstract

The present invention provides a process for the preparation of the compound of formula (I) wherein HX represents HI, HCl, H2SO4 and the like. The compound of formula (I) is an important intermediate in the preparation of Cefepime.

IPC Classes  ?

  • C07D 501/06 - Acylation of 7-aminocephalosporanic acid
  • C07D 501/18 - 7-Aminocephalosporanic or substituted 7-aminocephalosporanic acids

28.

QUICK DISSOLVE COMPOSITIONS OF MEMANTINE HYDROCHLORIDE

      
Application Number IB2008001670
Publication Number 2009/004440
Status In Force
Filing Date 2008-06-26
Publication Date 2009-01-08
Owner ORCHID CHEMICALS & PHARMACEUTICALS LIMITED (India)
Inventor
  • Sankar, Ramakrishnan
  • Venkateswaran, Chidambaram, Seshadri
  • Billa, Praveen, Reddy

Abstract

The present invention relates to quick dissolve pharmaceutical compositions. More particularly the invention relates to quick dissolve pharmaceutical compositions of memantine hydrochloride capable of dissolving in the oral cavity and process for preparing such compositions. The quick dissolve pharmaceutical compositions of memantine hydrochloride contain at least one water-soluble diluent in particular a mono- or disaccharide and at least one disintegrant and optionally other pharmaceutically acceptable excipients.

IPC Classes  ?

  • A61K 31/13 - Amines, e.g. amantadine
  • A61K 9/14 - Particulate form, e.g. powders
  • A61K 9/20 - Pills, lozenges or tablets
  • A61K 47/30 - Macromolecular organic or inorganic compounds, e.g. inorganic polyphosphates
  • A61K 47/38 - CelluloseDerivatives thereof

29.

NOVEL COMPOUNDS AND THEIR USE

      
Application Number IB2008001620
Publication Number 2009/001192
Status In Force
Filing Date 2008-06-20
Publication Date 2008-12-31
Owner ORCHID RESEARCH LABORATORIES LIMITED (India)
Inventor
  • Pushpan, Simi
  • Ramachandran, Uma
  • Kundu, Mrinalkanti
  • Anantharaman, Veenaa
  • Subramanian, Santhosh
  • Viswanathan, Radhakrishnan
  • Tadiparthi, Ravikumar
  • Paul-Sathyaseela, Maneesh
  • Solanki, Shakti, Singh
  • Koppolu, Kesavan
  • Devarajan, Sathishkumar
  • Gnanamuthu, Martin
  • Mariappan, Thanga
  • Surendran, Narayanan
  • Rajagopal, Sriram

Abstract

The present invention provides novel compounds of the general formula (I), their derivatives, analogs, tautomeric forms, stereoisomers, polymorphs, hydrates, solvates, pharmaceutically acceptable salts and compositions, metabolites and prodrugs thereof. The novel compounds are useful as antibacterial agents in the treatment of conditions such as nosocomial pneumonia, community acquired pneumonia, infections caused by vancomycin resistant enterococci (VRE), methicillin resistant Staphylococcus aureus (MRSA), Heamophilus influenzae (HI) and penicillin resistant Streptococcus pneumoniae (PRSP). The compounds of the present invention are effective against a number of human or animal pathogens including VRE, PRSP, HI and MRSA.

IPC Classes  ?

  • C07D 413/10 - Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing two hetero rings linked by a carbon chain containing aromatic rings
  • A61K 31/422 - Oxazoles not condensed and containing further heterocyclic rings
  • A61K 31/497 - Non-condensed pyrazines containing further heterocyclic rings
  • A61P 31/04 - Antibacterial agents

30.

AN IMPROVED PROCESS FOR THE PREPARATION OF APREPITANT

      
Application Number IB2008001674
Publication Number 2009/001203
Status In Force
Filing Date 2008-06-26
Publication Date 2008-12-31
Owner ORCHID CHEMICALS & PHARMACEUTICALS LIMITED (India)
Inventor
  • Upparapalli, Sampath, Kumar
  • Anand, Sivadas
  • Palanivel, Senthilnathan
  • Sivalingam, Lakshmi
  • Veluppillai, Loganathan
  • Rao, Siripragada, Mahender

Abstract

The present invention relates to an improved process for the preparation of Aprepitant of formula (I) and its intermediates. More particularly the present invention relates to the preparation of 3-(-S)-(4-fluorophenyl)-4-benzyl-2-morpholinone of Formula (III) or its salts thereof by reacting N-benzyl-(S)-(4-fluorophenyl) glycine of formula (II) with 1,2 dibromoethane in presence of an organic base.

IPC Classes  ?

  • C07D 265/32 - 1,4-OxazinesHydrogenated 1,4-oxazines not condensed with other rings with oxygen atoms directly attached to ring carbon atoms
  • C07D 413/06 - Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing two hetero rings linked by a carbon chain containing only aliphatic carbon atoms
  • C07C 229/36 - Compounds containing amino and carboxyl groups bound to the same carbon skeleton having amino and carboxyl groups bound to acyclic carbon atoms of the same carbon skeleton the carbon skeleton containing six-membered aromatic rings with at least one amino group and one carboxyl group bound to the same carbon atom of the carbon skeleton

31.

AN IMPROVED PROCESS FOR THE PREPARATION OF CEPHALOSPORIN ANTIBIOTIC

      
Application Number IB2008001518
Publication Number 2008/155615
Status In Force
Filing Date 2008-06-13
Publication Date 2008-12-24
Owner ORCHID CHEMICALS & PHARMACEUTICALS LIMITED (India)
Inventor
  • Gedi, Sreedhar
  • Ramakrishna, Kamma
  • Udayampalayam, Palanisamy, Senthilkumar

Abstract

The present invention provides a process for the preparation of the compound of formula (I) and its salt and esters. More particularly, this present invention relates to an improved process for the preparation Cefcapene of formula (I) and its salt and esters.

IPC Classes  ?

  • C07D 501/34 - Methylene radicals, substituted by oxygen atomsLactones thereof with the 2-carboxyl group with the 7-amino radical acylated by carboxylic acids containing hetero rings
  • C07D 501/24 - 7-Acylaminocephalosporanic or substituted 7-acylaminocephalosporanic acids in which the acyl radicals are derived from carboxylic acids with hydrocarbon radicals, substituted by hetero atoms or hetero rings, attached in position 3
  • C07D 277/28 - Radicals substituted by nitrogen atoms

32.

NEW HETEROCYCLIC COMPOUNDS

      
Application Number IB2008000536
Publication Number 2008/110891
Status In Force
Filing Date 2008-03-07
Publication Date 2008-09-18
Owner ORCHID RESEARCH LABORATORIES LIMITED, (India)
Inventor
  • Sharma, Ganapavarapu, Veera, Raghava
  • Reddy, Gaddam, Om
  • Rajagopal, Sriram
  • Ramachandran, Uma
  • Narayanan, Sukunath
  • Pichika, Nagalakshmi
  • Nemmara Viswanathan, Venkatesh
  • Andiappan, Lavanya
  • Thirunavukkarasu, Saravanan

Abstract

Provided herein are heterocyclic compounds of the general formula (I), their derivatives, analogs, tautomeric forms, stereoisomers, polymorphs, hydrates, solvates, pharmaceutically acceptable salts and compositions, metabolites and prodrugs thereof, wherein R1, R2, R3, R4 and R5 are as described herein. Further described herein in particular are heterocyclic compounds of the formula (I) for treating various diseases and disorders by administering in a patient one or more TNF-α, Thromboxane synthase, 5-LOX, and PDE4 inhibitors. In particular described herein are methods for treating immunological diseases, inflammation, pain disorder, rheumatoid arthritis; osteoporosis; multiple myeloma; uveititis; acute and chronic myelogenous leukemia; ischemic heart disease; atherosclerosis; cancer; ischemic-induced cell damage; pancreatic beta cell destruction; osteoarthritis; rheumatoid spondylitis; gouty arthritis; inflammatory bowel disease; adult respiratory distress syndrome (ARDS); psoriasis; Crohn's disease; allergic rhinitis; ulcerative colitis; anaphylaxis; contact dermatitis; muscle degeneration; cachexia; asthma; bone resorption diseases; ischemia reperfusion injury; brain trauma; multiple sclerosis; sepsis; septic shock; toxic shock syndrome; fever, and myalgias due to infection and diseases mediated by HIV-1; HIV-2; HIV-3; cytomegalovirus (CMV); influenza; adenovirus; the herpes viruses (including HSV-1, HSV-2) and herpes zoster viruses in a mammal comprising administering an effective amount of a compound of formula (I).

IPC Classes  ?

  • C07D 401/12 - Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings linked by a chain containing hetero atoms as chain links

33.

MODIFIED HYDROXYLASE AND ITS APPLICATIONS

      
Application Number IB2008000524
Publication Number 2008/107782
Status In Force
Filing Date 2008-03-07
Publication Date 2008-09-12
Owner ORCHID CHEMICALS & PHARMACEUTICALS LIMITED (India)
Inventor
  • Durairaaj, Micheal
  • Masilamani, Twinkle, Jasmine
  • Harit, Ravi, Kanth
  • Krishnan, Cavery, Manian
  • Thirumoorthy, Ramanan

Abstract

The present invention relates to a mutant hydroxylase with increased activity and greater substrate specificity for phenylacetyl-7-ADCA for the production of phenylacetyl deacetyl-7- ACA, which carries one or more amino acid modification at residue positions when compared with the wild type hydroxylase from the following group of residues, Glutamic acid at position 16, Tyrosine at position 38, Proline at position 72, Threonine at position 90, Valine at position 150, Proline at position 186, Valine at position 221.Methionine at position 229, Threonine at position 273, Threonine at position 304 and Alanine at position 311.

IPC Classes  ?

34.

Crystalline sodium salt of cephalosporin antibiotic

      
Application Number 12089821
Grant Number 08212024
Status In Force
Filing Date 2006-10-12
First Publication Date 2008-09-11
Grant Date 2012-07-03
Owner Orchid Chemicals & Pharmaceuticals Ltd. (India)
Inventor
  • Senthilkumar, Udayampalayam Palanisamy
  • Suresh Kumar, Kanagaraj
  • Mohan, Singaravel
  • Arunkumar, Lakshminarayanan
  • Ananthan, Bakthavachalam

Abstract

The present invention relates to novel polymorph of Ceftiofur sodium as a crystalline product. The present invention also provides a process for the preparation of crystalline Ceftiofur sodium of formula (I).

IPC Classes  ?

  • C07D 501/36 - Methylene radicals, substituted by sulfur atoms
  • A61K 31/546 - Compounds containing 5-thia-1-azabicyclo [4.2.0] octane ring systems, i.e. compounds containing a ring system of the formula , e.g. cephalosporins, cefaclor, cephalexine containing further heterocyclic rings, e.g. cephalothin

35.

A METHOD FOR THE PURIFICATION OF ROSUVASTATIN INTERMEDIATE

      
Application Number IB2008000189
Publication Number 2008/093205
Status In Force
Filing Date 2008-01-29
Publication Date 2008-08-07
Owner ORCHID CHEMICALS & PHARMACEUTICALS LIMITED (India)
Inventor
  • Kumar, Upparapalli, Sampath
  • Mannathan, Subramaniyan
  • Sabrinathan, Natarajan
  • Sivadas, Anand
  • Palanivel, Senthilnathan
  • Rao, Siripragada, Mahender

Abstract

The present invention relates to a method for the purification of an intermediate of formula (1), which is useful for the preparation of Rosuvastatin and its pharmaceutically acceptable salts thereof, more particularly purification method comprises the addition of aqueous organic acid such as acetic acid under stirring conditions in presence of an organic solvent such as isopropyl ether or alternatively the purification method comprises the addition of aqueous alcohol such as methanol under stirring conditions in presence of an organic solvent such as isopropyl ether (Formula I)

IPC Classes  ?

36.

HDAC INHIBITORS

      
Application Number IB2008000045
Publication Number 2008/087514
Status In Force
Filing Date 2008-01-10
Publication Date 2008-07-24
Owner ORCHID RESEARCH LABORATORIES LIMITED (India)
Inventor
  • Kachhadia, Virendra
  • Punthalir, Narayanaswamy
  • Ponpandian, Thanasekaran
  • Daivasigamani, Prabhu
  • Srinivas, Akella, Satya, Visweswara
  • Ramachandran, Uma
  • Rajagopal, Sriram
  • Reddy, Gaddam, Om
  • Rajagopal, Sridahran
  • Keeri, Abdul, Raheem

Abstract

Novel compounds of the formula (I), their derivatives, analogs, tautomeric forms, stereoisomers, polymorphs, hydrates, solvates, pharmaceutically acceptable salts and compositions, metabolites and prodrugs thereof are described. These novel compounds can inhibit HDACs and are useful as a therapeutic or ameliorating agent for diseases that are involved in cellular growth such as malignant tumors, autoimmune diseases, skin diseases, infections, inflammation, cancer, psoriasis, proliferative conditions and conditions mediated by HDAC.

IPC Classes  ?

  • C07D 417/12 - Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group containing two hetero rings linked by a chain containing hetero atoms as chain links
  • C07D 417/14 - Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group containing three or more hetero rings
  • C07D 409/12 - Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms containing two hetero rings linked by a chain containing hetero atoms as chain links
  • C07D 405/12 - Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings linked by a chain containing hetero atoms as chain links
  • C07D 403/12 - Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group containing two hetero rings linked by a chain containing hetero atoms as chain links
  • C07D 241/04 - Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings not condensed with other rings having no double bonds between ring members or between ring members and non-ring members
  • C07C 233/01 - Carboxylic acid amides having carbon atoms of carboxamide groups bound to hydrogen atoms or to acyclic carbon atoms
  • C07C 233/16 - Carboxylic acid amides having carbon atoms of carboxamide groups bound to hydrogen atoms or to acyclic carbon atoms having the nitrogen atom of at least one of the carboxamide groups bound to a carbon atom of a hydrocarbon radical substituted by singly-bound oxygen atoms
  • C07C 233/64 - Carboxylic acid amides having carbon atoms of carboxamide groups bound to carbon atoms of six-membered aromatic rings

37.

A PROCESS FOR THE PURIFICATION OF ROPINIROLE HYDROCHLORIDE

      
Application Number IB2007003914
Publication Number 2008/075169
Status In Force
Filing Date 2007-12-14
Publication Date 2008-06-26
Owner ORCHID CHEMICALS & PHARMACEUTICALS LIMITED (India)
Inventor
  • Veerappan, Vijaybaskar
  • Devasitham, Sam, Daniel, Prabhu
  • Arvapally, Seshukumar
  • Swaminathan, Susi
  • Siripragada, Mahender, Rao

Abstract

The present invention relates to an improved process for the purification of Ropinirole hydrochloride of formula (I) using phosphorous containing reagent.

IPC Classes  ?

  • C07D 209/34 - Oxygen atoms in position 2
  • C01B 25/163 - Phosphorous acidSalts thereof
  • C07D 209/38 - Oxygen atoms in positions 2 and 3, e.g. isatin
  • C10B 25/10 - Closing or opening the doors for ovens with vertical chambers

38.

AN IMPROVED PROCESS FOR THE PREPARATION OF ZALEPLO

      
Application Number IB2007003787
Publication Number 2008/068600
Status In Force
Filing Date 2007-12-06
Publication Date 2008-06-12
Owner ORCHID CHEMICALS & PHARMACEUTICALS LIMITED (India)
Inventor
  • Siripragada, Mahender, Rao
  • Upparapalli, Sampath, Kumar
  • Kunchithapatham, Thirumurugan
  • Subramaniyan, Mannathan

Abstract

The present invention relates to an improved process for the preparation of N-[3-(3-cyanopyrazolo[ 1,5-a]pyrimidin-7-yl)phenyl]-N-ethylacetamide (Zaleplon) of formula (I), more particularly the present invention relates to a method for the purification of Zaleplon of formula (I), which is useful in medicine as an anxiolytic, sedative and skeletal muscle relaxing agent. Formula (I)

IPC Classes  ?

  • C07D 487/04 - Ortho-condensed systems
  • C07D 231/38 - Nitrogen atoms
  • C07C 233/05 - Carboxylic acid amides having carbon atoms of carboxamide groups bound to hydrogen atoms or to acyclic carbon atoms having nitrogen atoms of carboxamide groups bound to hydrogen atoms or to carbon atoms of unsubstituted hydrocarbon radicals with carbon atoms of carboxamide groups bound to carbon atoms of an acyclic saturated carbon skeleton having the nitrogen atoms of the carboxamide groups bound to hydrogen atoms or to acyclic carbon atoms
  • C07C 231/12 - Preparation of carboxylic acid amides by reactions not involving the formation of carboxamide groups

39.

AN IMPROVED PROCESS FOR THE PREPARATION OF CARBAPENEM ANTIBIOTIC

      
Application Number IB2007003564
Publication Number 2008/062279
Status In Force
Filing Date 2007-11-20
Publication Date 2008-05-29
Owner ORCHID CHEMICALS & PHARMACEUTICALS LIMITED (India)
Inventor
  • Gnanaprakasam, Andrew
  • Arumugam, Nagappan
  • Udayampalayam, Palanisamy, Senthilkumar
  • Pandian, Pandi, Suresh
  • Sivasankaran, Venugopal
  • Veeramani, Ganapathy
  • Sudhan, Henry, Syril
  • Rao, Gollapalli, Venkateswara

Abstract

The present invention provides a process for the preparation of the carbapenem antibiotic of formula (I) or its salt in amorphous form. Formule(I) wherein R represents hydrogen or COOM and M represents hydrogen or sodium

IPC Classes  ?

  • C07D 477/20 - Sulfur atoms
  • C07D 477/18 - Oxygen atoms
  • C07D 207/08 - Heterocyclic compounds containing five-membered rings not condensed with other rings, with one nitrogen atom as the only ring hetero atom with only hydrogen or carbon atoms directly attached to the ring nitrogen atom having no double bonds between ring members or between ring members and non-ring members with hydrocarbon radicals, substituted by hetero atoms, attached to ring carbon atoms
  • C07D 207/09 - Radicals substituted by nitrogen atoms not forming part of a nitro radical
  • C07D 207/12 - Oxygen or sulfur atoms

40.

CRYSTALLINE SULFATE SALT OF CEPHALOSPORIN ANTIBIOTIC

      
Application Number IB2007003341
Publication Number 2008/056221
Status In Force
Filing Date 2007-11-05
Publication Date 2008-05-15
Owner ORCHID CHEMICALS & PHARMACEUTICALS LIMITED (India)
Inventor
  • Sarangdhar, Rajendra, Janardan
  • Jothimani, Balasubramanian
  • Jaffar, Abdul, Mohammed
  • Selvakumar, Sekar
  • Deshpande, Pramod, Narayan

Abstract

The present invention relates to novel crystalline form of cephalosporin sulfate of the following formula and provides a process for preparing the same.

IPC Classes  ?

  • C07D 501/46 - Methylene radicals, substituted by nitrogen atomsLactams thereof with the 2-carboxyl groupMethylene radicals substituted by nitrogen-containing hetero rings attached by the ring nitrogen atomQuaternary compounds thereof with the 7-amino radical acylated by carboxylic acids containing hetero rings

41.

AN IMPROVED PROCESS FOR THE PREPARATION OF GEMIFLOXACIN MESYLATE

      
Application Number IB2007003290
Publication Number 2008/053324
Status In Force
Filing Date 2007-10-31
Publication Date 2008-05-08
Owner ORCHID CHEMICALS & PHARMACEUTICALS LIMITED (India)
Inventor
  • Ramasubbu, Chandrasekaran
  • Ramasamy, Suresh
  • Tayyala, Kiranmye
  • Siripragada, Mahender, Rao

Abstract

The present invention relates to an improved process for the preparation of Gemifloxacin mesylate of formula (V). The present invention further provides novel intermediates of formula (II) and (IV), which are useful intermediates for the preparation of Gemifloxacin mesylate of formula (V) wherein R1 is linear or branched chain alkyl group having 1-3 carbon atoms.

IPC Classes  ?

  • C07D 471/04 - Ortho-condensed systems
  • C07D 207/09 - Radicals substituted by nitrogen atoms not forming part of a nitro radical

42.

AN IMPROVED PROCESS FOR THE PREPARATION OF CEPHALOSPORIN ANTIBIOTIC

      
Application Number IN2006000406
Publication Number 2008/047376
Status In Force
Filing Date 2006-10-16
Publication Date 2008-04-24
Owner ORCHID CHEMICALS & PHARMACEUTICALS LIMITED (India)
Inventor
  • Senthilkumar, Udayampalayam, Palanisamy
  • Kumar, Kanagaraj, Suresh
  • Mohan, Singaravel
  • Arunkumar, Lakshminarayanan

Abstract

An improved one pot process for the preparation of Ceftiofur of the formula (I) or its salt, without isolating the intermediate compound.

IPC Classes  ?

  • C07D 501/24 - 7-Acylaminocephalosporanic or substituted 7-acylaminocephalosporanic acids in which the acyl radicals are derived from carboxylic acids with hydrocarbon radicals, substituted by hetero atoms or hetero rings, attached in position 3
  • C07D 501/14 - Compounds having a nitrogen atom directly attached in position 7
  • C07C 229/20 - Compounds containing amino and carboxyl groups bound to the same carbon skeleton having amino and carboxyl groups bound to acyclic carbon atoms of the same carbon skeleton the carbon skeleton being acyclic and saturated the carbon skeleton being further substituted by halogen atoms or by nitro or nitroso groups
  • C07C 229/22 - Compounds containing amino and carboxyl groups bound to the same carbon skeleton having amino and carboxyl groups bound to acyclic carbon atoms of the same carbon skeleton the carbon skeleton being acyclic and saturated the carbon skeleton being further substituted by oxygen atoms

43.

IMPROVED PROCESS FOR THE PREPARATION OF CEPHALOSPORIN ANTIBIOTICS

      
Application Number IB2007002917
Publication Number 2008/041100
Status In Force
Filing Date 2007-10-03
Publication Date 2008-04-10
Owner ORCHID CHEMICALS & PHARMACEUTICALS LIMITED (India)
Inventor
  • Udayampalayam, Palanisamy, Senthilkumar
  • Sivakumaran, Sundaravadivelan
  • Sahoo, Prabhat, Kumar

Abstract

Abstract The present invention more particularly relates to a process for the preparation of cephalosporin antibiotics of the Formula (I) wherein R1 represents hydrogen, trityl, alkyl like CH3, CRaRbCOORc where Ra and Rb independently represent hydrogen or methyl and Rc represents hydrogen or (C1-C6) alkyl; R2 is carboxylate ion or COORd, where Rd represents hydrogen, ester or a counter ion which forms a salt; R3 represents hydrogen, CH3, CH2OCH3, CH2OCOCH3, CH=CH2, Formula (II).

IPC Classes  ?

  • C07D 501/18 - 7-Aminocephalosporanic or substituted 7-aminocephalosporanic acids
  • C07D 275/04 - Heterocyclic compounds containing 1, 2-thiazole or hydrogenated 1,2-thiazole rings condensed with carbocyclic rings or ring systems

44.

VENLAFAXINE EXTENDED RELEASE FORMULATIONS

      
Application Number IB2007002795
Publication Number 2008/038106
Status In Force
Filing Date 2007-09-26
Publication Date 2008-04-03
Owner ORCHID CHEMICALS & PHARMACEUTICALS LIMITED (India)
Inventor
  • Lankalapalli, Srinivas
  • Seetharaman, Sritharan
  • Billa, Praveen, Reddy

Abstract

The present invention relates to extended release formulations of venlafaxine hydrochloride, process for its preparation and to the use of the extended release formulations in treating various diseases or conditions.

IPC Classes  ?

  • A61K 31/137 - Arylalkylamines, e.g. amphetamine, epinephrine, salbutamol, ephedrine
  • A61K 9/32 - Organic coatings containing solid synthetic polymers
  • A61K 9/34 - Organic coatings containing natural gums or resins
  • A61K 47/36 - PolysaccharidesDerivatives thereof, e.g. gums, starch, alginate, dextrin, hyaluronic acid, chitosan, inulin, agar or pectin
  • A61K 47/38 - CelluloseDerivatives thereof

45.

PROCESS FOR THE PREPARATION OF BETA-LACTAM ANTIBIOTIC

      
Application Number IB2007002192
Publication Number 2008/035153
Status In Force
Filing Date 2007-07-31
Publication Date 2008-03-27
Owner ORCHID CHEMICALS & PHARMACEUTICALS LIMITED (India)
Inventor
  • Gnanaprakasam, Andrew
  • Venugopal, Sivasankaran
  • Ganapathy, Veeramani
  • Udayampalayam, Palanisamy, Senthilkumar

Abstract

Novel process for the preparation of the Faropenem of formula (I) where, R is hydrogen, alkali metal salts such as sodium or potassium, or prodrug residue.

IPC Classes  ?

  • C07D 499/893 - Compounds with a double bond between positions 2 and 3 and a carbon atom having three bonds to hetero atoms with at the most one bond to halogen, e.g. an ester or nitrile radical, directly attached in position 2 with a hetero ring or a condensed hetero ring system, directly attached in position 3
  • C07D 205/08 - Heterocyclic compounds containing four-membered rings with one nitrogen atom as the only ring hetero atom not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member with one oxygen atom directly attached in position 2, e.g. beta-lactams
  • C07D 205/12 - Heterocyclic compounds containing four-membered rings with one nitrogen atom as the only ring hetero atom condensed with carbocyclic rings or ring systems
  • C07D 205/09 - Heterocyclic compounds containing four-membered rings with one nitrogen atom as the only ring hetero atom not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member with one oxygen atom directly attached in position 2, e.g. beta-lactams with a sulfur atom directly attached in position 4
  • C07D 307/10 - Heterocyclic compounds containing five-membered rings having one oxygen atom as the only ring hetero atom not condensed with other rings having no double bonds between ring members or between ring members and non-ring members with substituted hydrocarbon radicals attached to ring carbon atoms
  • C07D 307/12 - Radicals substituted by oxygen atoms
  • C07C 55/06 - Oxalic acid

46.

A METHOD FOR THE PURIFICATION OF LANSOPRAZOLE

      
Application Number IB2007002734
Publication Number 2008/035189
Status In Force
Filing Date 2007-09-21
Publication Date 2008-03-27
Owner ORCHID CHEMICALS & PHARMACEUTICALS LIMITED (India)
Inventor
  • Arulmoli, Thangavel
  • Rao, Siripragada, Mahender
  • Peraka, Krishna, Sumanth
  • Selvan, Ariyamuthu, Sundara

Abstract

The present invention relates to an improved process for the preparation of Lansoprazole of formula (I). More particularly, the present invention relates to a method for the purification of crude Lansoprazole in a solvent in presence of an alkali salt of an organic acid or in presence of an organic base such as piperidine or imidazole.

IPC Classes  ?

  • C07D 401/12 - Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings linked by a chain containing hetero atoms as chain links

47.

DIPEPTIDYL PEPTIDASE IV INHIBITORS

      
Application Number IB2007002403
Publication Number 2008/029217
Status In Force
Filing Date 2007-08-22
Publication Date 2008-03-13
Owner ORCHID RESEARCH LABORATORIES LIMITED (India)
Inventor
  • Pandey, Surendrakumar, Satyanarayan
  • Ramachandran, Uma
  • Singh, Gajendra
  • Santhanagopalan, Chithra
  • Kadnur, Venkatachalapathi, Sanjay
  • Dharmalingam, Sivanesan
  • Chidurula, Naresh

Abstract

Abstract The present invention relates to novel compounds of the general formula (I), their derivatives, analogs, tautomeric forms, stereoisomers, polymorphs, their hydrates, solvates, pharmaceutically acceptable salts, pharmaceutical compositions, metabolites and prodrugs thereof. The present invention more particularly provides novel compounds of the general formula (I). The compounds of the present invention are effective in lowering blood glucose, serum insulin, free fatty acids, cholesterol, triglyceride levels and useful in the treatment and/or prophylaxis of type II diabetes. These compounds are effective in the treatment of obesity, inflammation, autoimmune diseases such as multiple sclerosis and rheumatoid arthritis.

IPC Classes  ?

  • C07D 213/30 - Oxygen atoms
  • C07D 401/14 - Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing three or more hetero rings
  • C07D 401/12 - Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings linked by a chain containing hetero atoms as chain links
  • A61K 31/44 - Non-condensed pyridinesHydrogenated derivatives thereof

48.

AN IMPROVED PROCESS FOR THE PREPARATION OF ALFUZOSIN HYDROCHLORIDE

      
Application Number IB2007002151
Publication Number 2008/015525
Status In Force
Filing Date 2007-07-27
Publication Date 2008-02-07
Owner ORCHID CHEMICALS & PHARMACEUTICALS LIMITED (India)
Inventor
  • Upparapalli, Sampathkumar
  • Shanmuga, Sundaram, Bharani, Kumar
  • Sharma, Hitesh, Chandraprakash
  • Rao, Siripragada, Mahender

Abstract

The present invention relates to an improved process for the preparation of Alfuzosin hydrochloride of formula (I) by reacting N-(3-aminopropyl)-6,7-dimethoxy-N- methylquinazoline-2,4-diamine of formula (II) with 1-(tetrahydrofuran-2-ylcarbonyl)-1 H- imidazole of formula (IV) using acetonitrile as an organic solvent. This invention also relates to a method for the purification of N-(3-aminopropyl)-6,7-dimethoxy-N-methylquinazoline-2,4- diamine of formula (II), which is a key starting material of Alfuzosin hydrochloride by making its corresponding salt of formula (III) using an organic dicarboxylic acid in an alcoholic solvent wherein, A is denoted as a corresponding moiety of organic dicarboxylic acid.

IPC Classes  ?

  • C07D 405/00 - Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom
  • C07D 405/12 - Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings linked by a chain containing hetero atoms as chain links

49.

IMPROVED PROCESS FOR THE PREPARATION OF CEFEPIME INTERMEDIATE

      
Application Number IB2007001897
Publication Number 2008/010042
Status In Force
Filing Date 2007-07-09
Publication Date 2008-01-24
Owner ORCHID CHEMICALS & PHARMACEUTICALS LIMITED (India)
Inventor
  • Kanagaraj, Sureshkumar
  • Singaravel, Mohan
  • Lakshmi, Narayanan, Arunkumar
  • Udayampalayam, Palanisamy, Senthilkumar

Abstract

The present invention provides a process for the preparation of the compound of formula (I) wherein X represents iodo or chloro. The compound of formula (I) is an important intermediate in the preparation of Cefepime or its pharmaceutically acceptable salts.

IPC Classes  ?

  • C07D 501/06 - Acylation of 7-aminocephalosporanic acid
  • C07D 501/26 - Methylene radicals, substituted by oxygen atomsLactones thereof with the 2-carboxyl group

50.

NOVEL 2-SUBSTITUTED METHYL PENAM DERIVATIVES

      
Application Number IB2007001941
Publication Number 2008/010048
Status In Force
Filing Date 2007-07-11
Publication Date 2008-01-24
Owner ORCHID CHEMICALS & PHARMACEUTICALS LIMITED (India)
Inventor
  • Udayampalayam, Palanisamy, Senthilkumar
  • Gnanaprakasam, Andrew
  • Ganapathy, Panchapakesan
  • Mukut, Gohain
  • Venkatasubramanian, Hariharan
  • Sriram, Rajagopal
  • Paul-Satyaseela, Maneesh
  • Solanki, Shakti, Singh
  • Devarajan, Sathishkumar

Abstract

Novel 2-substituted methyl penam derivatives include the formula (I), their analogs, their tautomeric forms, their stereoisomers, their polymorphs, their solvates, their pharmaceutically acceptable salts, and pharmaceutical compositions containing them; wherein A = C or N; Het is a three- to seven-membered heterocyclic ring; R1 represents carboxylate anion, or -COOR4 where R4 represents hydrogen, carboxylic acid protecting group or a pharmaceutically acceptable salt; R2 and R3 may be same or different and independently represent hydrogen, halogen, amino, alkyl, protected amino, optionally substituted alkyl, alkenyl, alkynyl and the like; R represents substituted or unsubstituted alkyl, alkenyl, aryl, aralkyl, cycloalkyl, heterocyclyl or heterocyclylalkyl.

IPC Classes  ?

  • C07D 499/87 - Compounds being unsubstituted in position 3 or with substituents other than only two methyl radicals attached in position 3, and with a carbon atom having three bonds to hetero atoms with at the most one bond to halogen, e.g. an ester or nitrile radical, directly attached in position 2
  • C07D 499/21 - Heterocyclic compounds containing 4-thia-1-azabicyclo [3.2.0] heptane ring systems, i.e. compounds containing a ring system of the formula: , e.g. penicillins, penemsSuch ring systems being further condensed, e.g. 2,3-condensed with an oxygen-, nitrogen- or sulfur-containing hetero ring with a nitrogen atom directly attached in position 6 and a carbon atom having three bonds to hetero atoms with at the most one bond to halogen, e.g. an ester or nitrile radical, directly attached in position 2
  • C07D 499/28 - Heterocyclic compounds containing 4-thia-1-azabicyclo [3.2.0] heptane ring systems, i.e. compounds containing a ring system of the formula: , e.g. penicillins, penemsSuch ring systems being further condensed, e.g. 2,3-condensed with an oxygen-, nitrogen- or sulfur-containing hetero ring with a nitrogen atom directly attached in position 6 and a carbon atom having three bonds to hetero atoms with at the most one bond to halogen, e.g. an ester or nitrile radical, directly attached in position 2 with modified 2-carboxyl group
  • C07D 499/32 - Esters

51.

IMPROVED PROCESS FOR THE PREPARATION OF CEFORANIDE IN PURE FORM

      
Application Number IB2007001920
Publication Number 2008/010043
Status In Force
Filing Date 2007-07-10
Publication Date 2008-01-24
Owner ORCHID CHEMICALS & PHARMACEUTICALS LIMITED (India)
Inventor
  • Udayampalayam, Palanisamy, Senthilkumar
  • Sundaravadivelan, Sivakumaran
  • Konda, Athmaram, Ramesh
  • Raja, Mohamed, Anish, Raja
  • Sahoo, Prabhat, Kumar

Abstract

The present invention provides an improved process for the preparation of the compound of formula (I) in pure form.

IPC Classes  ?

  • C07D 501/36 - Methylene radicals, substituted by sulfur atoms
  • C07D 501/18 - 7-Aminocephalosporanic or substituted 7-aminocephalosporanic acids
  • C07C 57/32 - Phenylacetic acid
  • C07C 57/34 - Unsaturated compounds having carboxyl groups bound to acyclic carbon atoms containing six-membered aromatic rings containing more than one carboxyl group
  • C07C 211/27 - Compounds containing amino groups bound to a carbon skeleton having amino groups bound to acyclic carbon atoms of an unsaturated carbon skeleton containing at least one six-membered aromatic ring having amino groups linked to the six-membered aromatic ring by saturated carbon chains

52.

NOVEL OXAZOLIDINONE DERIVATIVES

      
Application Number IB2007002019
Publication Number 2008/010070
Status In Force
Filing Date 2007-07-18
Publication Date 2008-01-24
Owner ORCHID RESEARCH LABORATORIES LIMITED (India)
Inventor
  • Ramachandran, Uma
  • Guha, Mrinal, Kanti
  • Tadiparthi, Ravikumar
  • Prabhu, Ganesh
  • Vadarevu, Vijayalakshmi
  • Pushpan, Simi
  • Anantharaman, Veenaa
  • Subramanian, Santhosh
  • Solanki, Shakti, Singh
  • Samuel, Matte, Marianna
  • Koppolu, Kesavan

Abstract

The present invention relates to novel compounds of the general formula (I), their derivatives, analogs, tautomeric forms, stereoisomers, polymorphs, hydrates, solvates, pharmaceutically acceptable salts, pharmaceutical compositions, metabolites and prodrugs thereof. The present invention more particularly provides novel Oxazolidinone derivatives of the general formula (I). The novel Oxazolidinone derivatives of the present invention may be useful as antibacterial agents, particularly for intravenous injections and are also useful in the treatment of conditions such as nosocomial pneumoniae, community acquired pneumoniae, Vancomycin resistant enterococci (VRE) caused by Methicillin resistant Staphylococcus Aureus (MRSA) and penicillin resistant Streptococcus Pneumoniae. The compounds of the present invention are effective against a number of human or animal pathogens, clinical isolates, including Vancomycin and Methicillin resistant organisms.

IPC Classes  ?

53.

AN IMPROVED PROCESS FOR THE PREPARATION OF ARIPIPRAZOLE

      
Application Number IB2007001615
Publication Number 2007/148191
Status In Force
Filing Date 2007-06-18
Publication Date 2007-12-27
Owner ORCHID CHEMICALS & PHARMACEUTICALS LIMITED (India)
Inventor
  • Rao, Siripragada, Mahender
  • Unni, Santhosh
  • Nagamani, Nagabushanam
  • Muthutamizh, Manoharan

Abstract

The present invention relates to an improved process for the preparation of Aripiprazole of formula (I), which is useful in the treatment of Schizophrenia. More particularly, the present invention relates to an improved process for the preparation of 7-(4-chlorobutoxy)-3,4-dihydrocarbostyril of formula (III) by reacting 7-hydroxy-3,4- dihydrocarbostyril of formula (II) with 1,4-dichlorobutane, in presence of inorganic base and solvent dimethylacetamide.

IPC Classes  ?

  • C07D 215/22 - Oxygen atoms attached in position 2 or 4

54.

AN IMPROVED PROCESS FOR THE PREPARATION OF CLOPIDOGREL

      
Application Number IB2007001542
Publication Number 2007/144729
Status In Force
Filing Date 2007-06-08
Publication Date 2007-12-21
Owner ORCHID CHEMICALS & PHARMACEUTICALS LIMITED (India)
Inventor
  • Ramasubbu, Chandrasekaran
  • Mamidala, Rajanikanth
  • Arjunan, Desinghu
  • Ramasamy, Karthik
  • Siripragada, Mahender, Rao

Abstract

The present invention relates to an improved process for the preparation of Clopidogrel of Formula (I). More particularly, the present invention relates to an improved process for the preparation of Clopidogrel intermediate of formula (III) using triethylamine as an organic base in the absence of an organic solvent. Formula (I), Formula (III).

IPC Classes  ?

55.

AN IMPROVED PROCESS FOR THE PREPARATION OF PHENYTOIN SODIUM

      
Application Number IB2007001130
Publication Number 2007/129184
Status In Force
Filing Date 2007-05-02
Publication Date 2007-11-15
Owner ORCHID CHEMICALS & PHARMACEUTICALS LIMITED (India)
Inventor
  • Rao, Siripragada, Mahender
  • Ramar, Padmanabhan

Abstract

The present invention relates to an improved process for the preparation of Phenytoin Sodium of formula (I) by reacting Phenytoin with aqueous solution of Sodium hydroxide in presence of aqueous Sodium chloride.

IPC Classes  ?

  • C07D 233/74 - Two oxygen atoms, e.g. hydantoin with only hydrogen atoms or radicals containing only hydrogen and carbon atoms, attached to other ring members

56.

NEW HDAC INHIBITORS

      
Application Number IB2007000853
Publication Number 2007/113644
Status In Force
Filing Date 2007-04-03
Publication Date 2007-10-11
Owner ORCHID RESEARCH LABORATORIES LIMITED (India)
Inventor
  • Srinivas, Akella, Satya, Surya, Visweswara
  • Kachhadia, Virendra
  • Mathiyazhagan, Kasinathan
  • Thara, Sathya, Narayana
  • Manikandan, Lakshmanan
  • Rajagopal, Sriram
  • Reddy, Gaddam, Om

Abstract

The present invention relates to novel compounds of the general formula (I), having histone deacetylase (HDAC) inhibiting enzymatic activity, their derivatives, analogs, tautomeric forms, stereoisomers, polymorphs, hydrates, solvates, pharmaceutically acceptable salts and compositions, metabolites and prodrugs thereof. The present invention more particularly provides novel compounds of the general formula (I). Also included is a method for treatment of cancer, psoriasis, proliferative conditions and conditions mediated by HDAC, in a mammal comprising administering an effective amount of a novel compound of formula (I) as described above.

IPC Classes  ?

  • C07C 233/01 - Carboxylic acid amides having carbon atoms of carboxamide groups bound to hydrogen atoms or to acyclic carbon atoms
  • C07C 257/06 - Compounds containing carboxyl groups, the doubly-bound oxygen atom of a carboxyl group being replaced by a doubly-bound nitrogen atom, this nitrogen atom not being further bound to an oxygen atom, e.g. imino-ethers, amidines without replacement of the other oxygen atom of the carboxyl group, e.g. imino-ethers having carbon atoms of imino-carboxyl groups bound to hydrogen atoms, to acyclic carbon atoms, or to carbon atoms of rings other than six-membered aromatic rings
  • C07C 327/40 - Amides of thiocarboxylic acids having carbon atoms of thiocarboxamide groups bound to hydrogen atoms or to acyclic carbon atoms
  • C07C 259/06 - Compounds containing carboxyl groups, an oxygen atom of a carboxyl group being replaced by a nitrogen atom, this nitrogen atom being further bound to an oxygen atom and not being part of nitro or nitroso groups without replacement of the other oxygen atom of the carboxyl group, e.g. hydroxamic acids having carbon atoms of hydroxamic groups bound to hydrogen atoms or to acyclic carbon atoms
  • C07C 327/22 - Esters of monothiocarboxylic acids having carbon atoms of esterified thiocarboxyl groups bound to hydrogen atoms or to acyclic carbon atoms
  • C07D 295/15 - Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms substituted by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals with the ring nitrogen atoms and the carbon atoms with three bonds to hetero atoms attached to the same carbon chain, which is not interrupted by carbocyclic rings to an acyclic saturated chain

57.

AN IMPROVED PROCESS FOR THE PREPARATION OF AMLODIPINE BESYLATE

      
Application Number IB2007000293
Publication Number 2007/096724
Status In Force
Filing Date 2007-02-08
Publication Date 2007-08-30
Owner ORCHID CHEMICALS & PHARMACEUTICALS LIMITED (India)
Inventor
  • Siripragada, Mahender, Rao
  • Santhosh, Unni
  • Kunchithapatham, Thirumurugan
  • Kundrappu, Chinnam, Naidu

Abstract

The present invention provides a process for the preparation of amlodipine, which comprises purging of methylamine gas under stirring in phthaloyl amlodipine in presence of an organic solvent selected from the group consisting of toluene and isopropyl alcohol.

IPC Classes  ?

  • C07D 211/90 - Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen

58.

DESLORATADINE-CONTAINING FORMULATION STABILIZED WITH CYCLODEXTRIN

      
Application Number IB2007000385
Publication Number 2007/096733
Status In Force
Filing Date 2007-02-19
Publication Date 2007-08-30
Owner ORCHID CHEMICALS & PHARMACEUTICALS LIMITED (India)
Inventor
  • Natarajan, Mathivanan
  • Joginapalli, Sreekanth
  • Billa, Praveen, Reddy

Abstract

The present invention relates to a stable oral pharmaceutical composition. More particularly the invention relates to a stable oral pharmaceutical composition containing desloratadine and a process for preparing the stable oral pharmaceutical composition.

IPC Classes  ?

  • A61K 31/44 - Non-condensed pyridinesHydrogenated derivatives thereof
  • A61K 47/40 - CyclodextrinsDerivatives thereof

59.

NOVEL CEPHALOSPORINS

      
Application Number IB2007000403
Publication Number 2007/096740
Status In Force
Filing Date 2007-02-20
Publication Date 2007-08-30
Owner ORCHID RESEARCH LABORATORIES LIMITED (India)
Inventor
  • Ramachandran, Uma
  • Reddy, Gaddam, Om
  • Tadiparthi, Ravikumar
  • Theratipally, Prabhakar
  • Venkateshwarlu, Jakkala
  • Subramanian, Santhosh

Abstract

The present invention relates to novel compounds of the general formula (I), their derivatives, analogs, tautomeric forms, stereoisomers, polymorphs, hydrates, solvates, pharmaceutically acceptable salts and compositions, metabolites and prodrugs thereof. The present invention more particularly provides novel cephalosporin antibiotics of the general formula (I). Also included is a method for treatment of infectious diseases in a mammal comprising administering an effective amount of a compound of formula (I) as described above.

IPC Classes  ?

  • C07D 501/24 - 7-Acylaminocephalosporanic or substituted 7-acylaminocephalosporanic acids in which the acyl radicals are derived from carboxylic acids with hydrocarbon radicals, substituted by hetero atoms or hetero rings, attached in position 3
  • A61K 31/547 - Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with at least one nitrogen and at least one sulfur as the ring hetero atoms, e.g. sulthiame spiro-condensed or forming part of bridged ring systems

60.

NOVEL HETEROCYCLIC DIPHENYL ETHERS

      
Application Number US2007004007
Publication Number 2007/097992
Status In Force
Filing Date 2007-02-15
Publication Date 2007-08-30
Owner BEXEL PHARMACEUTICALS, INC. (USA)
Inventor
  • Neogi, Partha
  • Nag, Bishwajit
  • Dey, Debendranath
  • Nag, Abhijeet
  • Bhattacharya, Birendra Kumar
  • Singh, Vinod Kumar
  • Jayakumar, Surendradoss

Abstract

The present invention relates to novel heterocyclic diphenyl ether and diphenyl amine compounds, derivatives, analogs, tautomeric forms, stereoisomers, polymorphs, hydrates, solvates, pharmaceutically acceptable salts and pharmaceutically acceptable solvates thereof and pharmaceutically acceptable compositions containing these singly or in combination. The compounds of the present invention are effective in lowering blood glucose, serum insulin, free fatty acids, cholesterol and triglyceride levels and are useful in the treatment and / or prophylaxis of diabetes. The compounds of the present invention are effective in treatment of obesity, inflammation, autoimmune diseases such as multiple sclerosis and rheumatoid arthritis and immunological diseases, including the treatment of cancer. Furthermore, the compounds are useful for the treatment of disorders associated with insulin resistance.

IPC Classes  ?

  • A61K 31/425 - Thiazoles
  • C07D 277/04 - Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings not condensed with other rings having no double bonds between ring members or between ring members and non-ring members
  • C07D 263/04 - Heterocyclic compounds containing 1,3-oxazole or hydrogenated 1,3-oxazole rings not condensed with other rings having no double bonds between ring members or between ring members and non-ring members

61.

A PROCESS FOR THE PREPARATION OF RISPERIDONE

      
Application Number IB2007000289
Publication Number 2007/093870
Status In Force
Filing Date 2007-02-08
Publication Date 2007-08-23
Owner ORCHID CHEMICALS & PHARMACEUTICALS LIMITED (India)
Inventor
  • Balla, Venkata, Sasidhar
  • Upparapalli, Sampathkumar
  • Veluppillai, Loganathan
  • Sivalingam, Lakshmi
  • Siripragada, Mahender, Rao

Abstract

The present invention relates to an improved process for the preparation of Risperidone of formula (I) by condensing 6-fluoro-3- (4-piperidinyl)-l, 2- benzisoxazole with 3-(2-chloroethyl)-6, 7, 8, 9-tetrahydro-2-methyl-4H-pyrido ⏧1,2-a] pyrimidin-4-one in water and water immiscible solvents under basic conditions in the presence of a catalyst. This invention also relates to a method for purification of crude Risperidone by removing an impurity specifically named as 9-hydroxy Risperidone to undetectable level using acid chlorides and an organic base in a suitable solvent.

IPC Classes  ?

  • C07D 417/04 - Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group containing two hetero rings directly linked by a ring-member-to-ring- member bond
  • C07D 498/04 - Ortho-condensed systems
  • C07D 239/70 - Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings condensed with carbocyclic rings or ring systems
  • C07D 239/88 - Oxygen atoms

62.

NOVEL HETEROCYCLES

      
Application Number IB2006003468
Publication Number 2007/083182
Status In Force
Filing Date 2006-12-01
Publication Date 2007-07-26
Owner ORCHID RESEARCH LABORATORIES LIMITED (India)
Inventor
  • Srinivas, Visweswara, Akella, Staya, Surya
  • Tadiparthi, Ravikumar
  • Sharma, Ganapavarapu, Veera, Raghava
  • Thirunavukkarasu, Sappanimuthu
  • Bhakiaraj, Durairaj, Peter
  • Kachhadia, Virendra
  • Narsimhan, Kilambi
  • Thara, Sathya, Narayana
  • Rajagopal, Sriram
  • Reedy, Gaddam, Om
  • Narayanan, Sukunath
  • Parameswaran, Venkatesan
  • Janarthanam, Venkatesan

Abstract

The present invention relates to novel heterocyclic compounds of the general formula (I), their derivatives, analogs, tautomeric forms, stereoisomers, polymorphs, hydrates, solvates, pharmaceutically acceptable salts and compositions, metabolites and prodrugs thereof. The present invention more particularly provides novel hetereocycles of the general formula (I). Also included is a method of treatment of immunological diseases, inflammation, pain disorder, rheumatoid arthritis; osteoporosis; multiple myeloma; uveititis; acute and chronic myelogenous leukemia; ischemic heart disease; atherosclerosis; cancer; ischemic-induced cell damage; pancreatic beta cell destruction; osteoarthritis; rheumatoid spondylitis; gouty arthritis; inflammatory bowel disease; adult respiratory distress syndrome (ARDS); psoriasis; Crohn's disease; allergic rhinitis; ulcerative colitis; anaphylaxis; contact dermatitis; muscle degeneration; cachexia; asthma; bone resorption diseases; ischemia reperfusion injury; brain trauma; multiple sclerosis; sepsis; septic shock; toxic shock syndrome; fever, and myalgias due to infection in a mammal comprising administering an effective amount of a compound of formula (I) as described above.

IPC Classes  ?

  • C07D 233/96 - Heterocyclic compounds containing 1,3-diazole or hydrogenated 1,3-diazole rings, not condensed with other rings having three double bonds between ring members or between ring members and non-ring members
  • A61K 31/505 - PyrimidinesHydrogenated pyrimidines, e.g. trimethoprim

63.

AN IMPROVED PROCESS FOR THE PREPARATION OF MONOBACTAM ANTIBIOTIC

      
Application Number IB2006003783
Publication Number 2007/083187
Status In Force
Filing Date 2006-12-28
Publication Date 2007-07-26
Owner ORCHID CHEMICALS & PHARMACEUTICALS LIMITED (India)
Inventor
  • Senthilkumar, Udayampalayam, Palanisamy
  • Kevat, Jitendra, Bhagwandas
  • Gnanaprakasam, Andrew
  • Magesh, Chinnian, Jeyaraman
  • Puppala, Manohar
  • Sivasankaran, Venugopal

Abstract

The present invention relates to the process for the preparation of monobactam antibiotic of formula (I). More particularly, the present invention relates to the preparation of Aztreonam of formula (I) from its precursor, tertiary butyl ester of Aztreonam of formula (II).

IPC Classes  ?

  • C07D 417/12 - Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group containing two hetero rings linked by a chain containing hetero atoms as chain links

64.

AN IMPROVED PROCESS FOR THE PREPARATION OF DIPYRIDAMOLE

      
Application Number IB2007000004
Publication Number 2007/080463
Status In Force
Filing Date 2007-01-03
Publication Date 2007-07-19
Owner ORCHID CHEMICALS & PHARMACEUTICALS LIMITED (India)
Inventor
  • Rao, Siripragada, Mahender
  • Padmanabhan, Ramar
  • Senthilkumar, Annadurai, Marimuthu

Abstract

The present invention relates to an improved process for the preparation of Dipyridamole of formula (I) by reacting 2,6-Dichloro-4, 8-dipiperidinopyrimido (5,4- d) pyrimidine (DDH) with Diethanolamine (DEA) using l-Methyl-2-pyrrolidinone (NMP) as a solvent.

IPC Classes  ?

  • C07D 487/04 - Ortho-condensed systems
  • C07C 215/12 - Compounds containing amino and hydroxy groups bound to the same carbon skeleton having hydroxy groups and amino groups bound to acyclic carbon atoms of the same carbon skeleton the carbon skeleton being saturated and acyclic the nitrogen atom of the amino group being further bound to hydrocarbon groups substituted by hydroxy groups

65.

A METHOD FOR THE PURIFICATION OF LEVETIRACETAM

      
Application Number IB2007000029
Publication Number 2007/080470
Status In Force
Filing Date 2007-01-08
Publication Date 2007-07-19
Owner ORCHID CHEMICALS & PHARMACEUTICALS LIMITED (India)
Inventor
  • Rao, Siripragada, Mahender
  • Thirumurugan, Kunchithapatham
  • Naidu, Kundrappu, Chinnam

Abstract

The present invention relates to an improved process for the preparation of Levetiracetam of formula (I). More particularly, the present invention relates to a method for the purification of crude Levetiracetam using a solvent mixture of ethyl acetate and water.(I).

IPC Classes  ?

66.

AN IMPROVED PROCESS FOR THE PREPARATION OF CILASTATIN AND SODIUM SALT

      
Application Number IB2006003092
Publication Number 2007/054771
Status In Force
Filing Date 2006-11-03
Publication Date 2007-05-18
Owner ORCHID CHEMICALS & PHARMACEUTICALS LIMITED (India)
Inventor
  • Panchapakesan, Ganapathy
  • Arumugam, Nagappan
  • Pandian, Pandi, Suresh
  • Rao, Gollapalli, Venkateswara
  • Ganesan, Subramaniam

Abstract

The present invention relates to an improved process for the preparation of Cilastatin Sodium of formula (I). The present invention also provides an isolation technique for Cilastatin acid from the reaction mixture.

IPC Classes  ?

  • C07C 319/28 - SeparationPurification
  • C07C 319/14 - Preparation of thiols, sulfides, hydropolysulfides or polysulfides of sulfides
  • C07C 233/46 - Carboxylic acid amides having carbon atoms of carboxamide groups bound to hydrogen atoms or to acyclic carbon atoms having the nitrogen atom of at least one of the carboxamide groups bound to a carbon atom of a hydrocarbon radical substituted by carboxyl groups with the substituted hydrocarbon radical bound to the nitrogen atom of the carboxamide group by an acyclic carbon atom

67.

STILBENE LIKE COMPOUNDS AS NOVEL HDAC INHIBITORS

      
Application Number IB2006003114
Publication Number 2007/054776
Status In Force
Filing Date 2006-11-06
Publication Date 2007-05-18
Owner ORCHID RESEARCH LABORATORIES LIMITED (India)
Inventor
  • Srinivas, Akella, Satya, Surya, Visweswara
  • Balan, Urkalan, Kaveri
  • Punthalir, Narayana, Swamy
  • Velmurugan, Rama, Swamy
  • Rajagopal, Sriram
  • Reddy, Gaddam, Om
  • Kachhadia, Virendra

Abstract

The present invention relates to novel stilbene like compounds of the general formula (I), their derivatives, analogs, tautomeric forms, stereoisomers, polymorphs, hydrates, solvates, pharmaceutically acceptable salts and compositions, metabolites and prodrugs thereof. The present invention more particularly provides novel stilbene like compounds of the general formula (I). Also included is a method for treatment of cancer, psoriasis, proliferative conditions and conditions mediated by HDAC, in a mammal comprising administering an effective amount of a novel compound of formula (I) as described above.

IPC Classes  ?

  • C07C 235/72 - Carboxylic acid amides, the carbon skeleton of the acid part being further substituted by oxygen atoms having carbon atoms of carboxamide groups and doubly-bound oxygen atoms bound to the same carbon skeleton with the carbon atoms of the carboxamide groups bound to acyclic carbon atoms
  • C07C 233/46 - Carboxylic acid amides having carbon atoms of carboxamide groups bound to hydrogen atoms or to acyclic carbon atoms having the nitrogen atom of at least one of the carboxamide groups bound to a carbon atom of a hydrocarbon radical substituted by carboxyl groups with the substituted hydrocarbon radical bound to the nitrogen atom of the carboxamide group by an acyclic carbon atom
  • C07C 235/34 - Carboxylic acid amides, the carbon skeleton of the acid part being further substituted by oxygen atoms having carbon atoms of carboxamide groups bound to acyclic carbon atoms and singly-bound oxygen atoms bound to the same carbon skeleton the carbon skeleton containing six-membered aromatic rings having the nitrogen atoms of the carboxamide groups bound to hydrogen atoms or to acyclic carbon atoms
  • C07D 277/30 - Radicals substituted by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals
  • C07D 333/24 - Radicals substituted by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals
  • A61K 31/165 - Amides, e.g. hydroxamic acids having aromatic rings, e.g. colchicine, atenolol, progabide

68.

DEPLETION OF ISOMER IN CEPHALOSPORIN ANTIBIOTIC

      
Application Number IB2006003115
Publication Number 2007/054777
Status In Force
Filing Date 2006-11-06
Publication Date 2007-05-18
Owner ORCHID CHEMICALS & PHARMACEUTICALS LIMITED (India)
Inventor
  • Senthilkumar, Udayampalayam, Palanisamy
  • Sahoo, Prabhat, Kumar
  • Vempelli, Anandam

Abstract

The present invention relates to the process for the depletion of E isomer of Cefditoren sodium of formula (I).

IPC Classes  ?

  • C07D 501/24 - 7-Acylaminocephalosporanic or substituted 7-acylaminocephalosporanic acids in which the acyl radicals are derived from carboxylic acids with hydrocarbon radicals, substituted by hetero atoms or hetero rings, attached in position 3
  • A61K 31/546 - Compounds containing 5-thia-1-azabicyclo [4.2.0] octane ring systems, i.e. compounds containing a ring system of the formula , e.g. cephalosporins, cefaclor, cephalexine containing further heterocyclic rings, e.g. cephalothin

69.

AN IMPROVED PROCESS FOR THE PREPARATION OF GRANISETRON HYDROCHLORIDE

      
Application Number IB2006003146
Publication Number 2007/054784
Status In Force
Filing Date 2006-11-08
Publication Date 2007-05-18
Owner ORCHID CHEMICALS & PHARMACEUTICALS LIMITED (India)
Inventor
  • Sharma, Hitesh, Chandraprakash
  • Rao, Siripragada, Mahender
  • Kumar, Shanmuga, Sundaram, Bharani

Abstract

The present invention relates to an improved process for the preparation of Granisetron hydrochloride of formula (I). More particularly this invention relates to the preparation of Granisetron hydrochloride using methyl isobutyl ketone (MIBK) as a single solvent in presence of an organic base such as triethylamine.

IPC Classes  ?

  • C07D 451/14 - Heterocyclic compounds containing 8-azabicyclo [3.2.1] octane, 9-azabicyclo [3.3.1] nonane, or 3-oxa-9-azatricyclo [3.3.1.02,4] nonane ring systems, e.g. tropane or granatane alkaloids, scopolamineCyclic acetals thereof containing 9-azabicyclo [3.3.1] nonane ring systems, e.g. granatane, 2-aza-adamantaneCyclic acetals thereof
  • C07D 471/08 - Bridged systems
  • C07C 69/14 - Acetic acid esters of monohydroxylic compounds

70.

NOVEL HDAC INHIBITORS

      
Application Number IB2006002890
Publication Number 2007/045962
Status In Force
Filing Date 2006-10-17
Publication Date 2007-04-26
Owner ORCHID RESEARCH LABORATORIES LIMITED (India)
Inventor
  • Srinivas, Akella, Satya, Surya, Visweswara
  • Narasimhan, Kilambi
  • Manikandan, Lakshmanan
  • Rajagopal, Sriram
  • Selvakumar, Thangapazham
  • Reddy, Gaddam, Om

Abstract

Abstract The present invention relates to novel compounds of the general formula (I), their derivatives, analogs, tautomeric forms, stereoisomers, polymorphs, hydrates, solvates, pharmaceutically acceptable salts and compositions. The present invention more particularly provides novel HDAC inhibitors of the general formula (1). Also included is a method for treatment of cancer, psoriasis, proliferative conditions and conditions mediated by HDAC, in a mammal comprising administering an effective amount of a compound of formula (I) as described above.

IPC Classes  ?

  • C07D 241/04 - Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings not condensed with other rings having no double bonds between ring members or between ring members and non-ring members
  • C07D 277/00 - Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings
  • C07D 417/02 - Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group containing two hetero rings
  • A61K 31/496 - Non-condensed piperazines containing further heterocyclic rings, e.g. rifampin, thiothixene or sparfloxacin

71.

HETEROCYCLIC COMPOUNDS AS PSTAT3/IL-6 INHIBITORS

      
Application Number IB2006002829
Publication Number 2007/042912
Status In Force
Filing Date 2006-10-11
Publication Date 2007-04-19
Owner ORCHID RESEARCH LABORATORIES LIMITED (India)
Inventor
  • Rao, Siripragada, Mahender
  • Srinivas, Akella, Satya, Surya, Visweswara
  • Rani, Shikha
  • Reddy, Gaddam, Om
  • Rajagopal, Sriram
  • Ramachandran, Uma
  • Sharada, Duddu, Savaraiah
  • Nirmala, Rajagopalan
  • Sivasudar, Velaiah
  • Manikandan, Lakshmanan
  • Balaji, Ramachandran

Abstract

The present invention relates to novel heterocyclic compounds of the general formula (I), as IL-6 inhibitors, their derivatives, their analogs, their tautomeric forms, their stereoisomers, their polymorphs, their hydrates, their solvates, their pharmaceutically acceptable salts and compositions, their metabolites and prodrugs thereof. The present invention more particularly provides novel heterocyclic compounds of the general formula (I). Also included is a method for treatment of cancer, cancer cachexia and inflammatory diseases including immunological diseases, particularly those mediated by cytokines such as IL-6, through pSTAT3 inhibition, in a mammal comprising administering an effective amount of a compound of formula (I) as described above.

IPC Classes  ?

  • C07D 209/88 - CarbazolesHydrogenated carbazoles with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to carbon atoms of the ring system
  • C07D 495/04 - Ortho-condensed systems
  • C07D 403/12 - Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group containing two hetero rings linked by a chain containing hetero atoms as chain links
  • C07D 417/12 - Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group containing two hetero rings linked by a chain containing hetero atoms as chain links
  • C07D 405/14 - Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing three or more hetero rings
  • C07D 409/12 - Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms containing two hetero rings linked by a chain containing hetero atoms as chain links
  • C07D 401/12 - Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings linked by a chain containing hetero atoms as chain links
  • A61K 31/403 - Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having five-membered rings with one nitrogen as the only ring hetero atom, e.g. sulpiride, succinimide, tolmetin, buflomedil condensed with carbocyclic rings, e.g. carbazole
  • A61P 35/00 - Antineoplastic agents

72.

NOVEL HETEROCYCLIC ANALOGS OF BIPHENYL ETHERS

      
Application Number IB2006002676
Publication Number 2007/042878
Status In Force
Filing Date 2006-09-27
Publication Date 2007-04-19
Owner ORCHID RESEARCH LABORATORIES LIMITED (India)
Inventor
  • Pandey, Surendrakumar, Satyanarayan
  • Singh, Gajendra
  • Chithra, Santhanagopalan
  • Reddy, Gaddam, Om
  • Sangeetha, Somasundaram
  • Dey, Debendranath

Abstract

The present invention relates to novel compounds of formula (I) and their pharmaceutically acceptable salts and compositions. The present invention more particularly provides novel heterocyclic analogs of biphenyl ethers of the general formula (I).

IPC Classes  ?

  • C07D 413/12 - Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing two hetero rings linked by a chain containing hetero atoms as chain links

73.

IMPROVED PROCESS FOR THE PREPARATION OF (-) TRANS-N-METHYL PAROXETINE

      
Application Number IB2006002470
Publication Number 2007/034270
Status In Force
Filing Date 2006-09-07
Publication Date 2007-03-29
Owner ORCHID CHEMICALS & PHARMACEUTICALS LIMITED (India)
Inventor
  • Rao, Siripragada, Mahender
  • Arulmoli, Thangavel
  • Lakshmipathi, Venu, Sanjeevi
  • Selvamuthu, Kaliyappan, Balu

Abstract

The present invention relates to an improved process for the preparation of (-) Trans-N-methyl paroxetine of formula (I), which is an intermediate in the synthesis of Paroxetine of formula (II). (-) Trans-N-methyl paroxetine is prepared by reacting (-) trans sulphonate compound of formula (III) with 3,4-methylenedioxyphenol ('sesamol') of formula (IV) in the presence of base potassium carbonate using Methyl isobutyl ketone (MIBK) as solvent.

IPC Classes  ?

  • C07D 405/12 - Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings linked by a chain containing hetero atoms as chain links

74.

NOVEL PYRIMIDINE CARBOXAMIDES

      
Application Number IB2006002461
Publication Number 2007/031829
Status In Force
Filing Date 2006-09-07
Publication Date 2007-03-22
Owner ORCHID RESEARCH LABORATORIES LIMITED (India)
Inventor
  • Tadiparthi, Ravikumar
  • Aggarwal, Pawan
  • Parameswaran, Venkatesan
  • Thirunavukkarasu, Sappanimuthu
  • Barik, Rajib
  • Rajagopal, Sriram
  • Reddy, Gaddam, Om

Abstract

The present invention relates to novel compounds of the general formula (I), their derivatives, their analogs, their tautomeric forms, their stereoisomers, their polymorphs, their hydrates, their solvates, their pharmaceutically acceptable salts and compositions, their metabolites and prodrugs thereof. The present invention more particularly relates to novel pyrimidine carboxamides of the general formula (I). Also included is a method of prophylaxis or treatment of a pain disorder, immunological diseases, inflammation, rheumatoid arthritis; osteoporosis; multiple myeloma; uveititis; acute and chronic myelogenous leukemia; ischemic heart disease; atherosclerosis; cancer; ischemic-induced cell damage; pancreatic beta cell destruction; osteoarthritis; rheumatoid spondylitis; gouty arthritis; inflammatory bowel disease; adult respiratory distress syndrome (ARDS); psoriasis; Crohn's disease; allergic rhinitis; ulcerative colitis; anaphylaxis; contact dermatitis; muscle degeneration; cachexia; asthma; bone resorption diseases; ischemia reperfusion injury; brain trauma; multiple sclerosis; sepsis; septic shock; toxic shock syndrome; fever, and myalgias due to infection in a mammal comprising administering an effective amount of a compound of formula (I) as described above.

IPC Classes  ?

  • C07D 239/28 - Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, directly attached to ring carbon atoms

75.

NOVEL PYRIDINE DERIVATIVES

      
Application Number IB2006002064
Publication Number 2007/029062
Status In Force
Filing Date 2006-07-28
Publication Date 2007-03-15
Owner ORCHID RESEARCH LABORATORIES LIMITED (India)
Inventor
  • Pandey, Surendrakumar, Satyanarayan
  • Reddy, Gaddam, Om
  • Singh, Gajendra
  • Chithra, Santhanagopalan
  • Sivakumar, Jeganath
  • Kadnur, Venkatachalapathi, Sanjay
  • Dey, Debendranath

Abstract

The present invention relates to novel pyridine derivatives of the formula (I), their stereoisomers, and their pharmaceutically acceptable salts, and compositions. The present invention more particularly provides novel pyridine derivatives of the general formula (I).

IPC Classes  ?

  • C07D 413/12 - Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing two hetero rings linked by a chain containing hetero atoms as chain links
  • A61K 31/42 - Oxazoles

76.

MODIFIED EXPANDASE-HYDROXYLASE AND ITS APPLICATIONS

      
Application Number IB2006002303
Publication Number 2007/023369
Status In Force
Filing Date 2006-08-24
Publication Date 2007-03-01
Owner ORCHID CHEMICALS & PHARMACEUTICALS LIMITED (India)
Inventor
  • Micheal, Durairaj
  • Masilamani, Twinkle, Jasmine
  • Ravindranathan, Meghana
  • Padharthi, Ramakrishna
  • Vinayagam, Vasu
  • Thirumoorthy, Ramanan

Abstract

ABSTRACT The present invention relates to a mutant expandase-hydroxylase with increased activity and greater substrate specificity for Penicillin G and Phenyl acetyl 7-ADCA for the production of Phenyl acetyl - 7-ADCA and Deacetyl phenyl acetyl 7-ACA respectively; which carries one or more amino acid modification at residue positions when compared with the wild type expandase-hydroxylase from the following group of residues, Lysine at position 14, Serine at position 15, Threonine at position 20, Threonine at position 45, Glutamic acid at position 49, Lysine at position 56, Aspartic acid at position 70, Asparagine at position 72, Alanine at position 73, Valine at position 87, Lysine at position 93, Lysine at position 131, Tyrosine at position 185, Isoleucine at position 190, Tyrosine at position 203, Glutamic acid at position 212, Phenylalanine at position 226, Threonine at position 232, Lysine at position 247, Threonine at positon 260, Lysine at position 269, Asparagine at position 275, Asparagine at position 285, Tryptophan at position 282, Isoleucine at position 288, Threonine at position 293, Arginine at position 296, Lysine at position 310 and Threonine at position 332.

IPC Classes  ?

  • C12N 9/02 - Oxidoreductases (1.), e.g. luciferase
  • C12N 15/53 - Oxidoreductases (1)
  • C12P 35/00 - Preparation of compounds having a 5-thia-1-azabicyclo [4.2.0] octane ring system, e.g. cephalosporin

77.

NOVEL HETEROCYCLIC COMPOUNDS

      
Application Number IB2006002139
Publication Number 2007/017728
Status In Force
Filing Date 2006-08-04
Publication Date 2007-02-15
Owner ORCHID RESEARCH LABORATORIES LIMITED (India)
Inventor
  • Srinivas, Akella, Satya, Surya, Visweswara
  • Mathiyazhagan, Kasinathan
  • Sharada, Duddu, Savaraiah
  • Ponpandian, Thanasekaran
  • Revathy, Kulasekharan
  • Reddy, Gaddam, Om
  • Kamaraj, Mani
  • Rajagopal, Sriram

Abstract

The present invention relates to novel compounds of the general formula (I), their derivatives, their analogs, their stereoisomers, their pharmaceutically acceptable salts and compositions. The present invention more particularly provides novel heterocyclic compounds of the general formula (I).

IPC Classes  ?

  • C07D 417/12 - Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group containing two hetero rings linked by a chain containing hetero atoms as chain links
  • C07C 271/10 - Esters of carbamic acids having oxygen atoms of carbamate groups bound to acyclic carbon atoms with the nitrogen atoms of the carbamate groups bound to hydrogen atoms or to acyclic carbon atoms
  • C07D 277/38 - Nitrogen atoms
  • C07D 333/16 - Radicals substituted by singly bound hetero atoms other than halogen by oxygen atoms

78.

NOVEL BIO-ACTIVE DERIVATIVES

      
Application Number IB2006001895
Publication Number 2007/007161
Status In Force
Filing Date 2006-07-10
Publication Date 2007-01-18
Owner ORCHID RESEARCH LABORATORIES LIMITED (India)
Inventor
  • Tadiparthi, Ravikumar
  • Sharma, Ganapavarapu, Veera, Raghava
  • Narayanan, Sukunath
  • Parameswaran, Venkatesan
  • Reddy, Gaddam, Om
  • Rajagopal, Sriram
  • Natarajan, Manikandan
  • Koppolu, Kesavan

Abstract

The present invention relates to novel compounds of the general formula (I), their derivatives, their analogs, their tautomeric forms, their stereoisomers, their polymorphs, their hydrates, their solvates, their pharmaceutically acceptable salts and pharmaceutically acceptable compositions containing them. The present invention more particularly provides novel compounds of the general formula (I).

IPC Classes  ?

  • C07D 239/54 - Two oxygen atoms as doubly bound oxygen atoms or as unsubstituted hydroxy radicals
  • A61K 31/513 - PyrimidinesHydrogenated pyrimidines, e.g. trimethoprim having oxo groups directly attached to the heterocyclic ring, e.g. cytosine

79.

NEW COMPOUNDS AND THEIR PHARMACEUTICAL USE

      
Application Number IB2006001843
Publication Number 2007/004041
Status In Force
Filing Date 2006-07-04
Publication Date 2007-01-11
Owner ORCHID RESEARCH LABORATORIES LIMITED (India)
Inventor
  • Sharma, Ganapavarapu, Veera, Raghava
  • Narayanan, Sukunath
  • Thirunavukkarasu, Saravanan
  • Nagalakshmi, Pichika
  • Rajagopal, Sriram
  • Kamaraj, Mani

Abstract

The present invention relates to novel compounds of the general formula (I), their analogs, their stereoisomers, their polymorphs, their hydrates, their solvates, their pharmaceutically acceptable salts and compositions. The present invention more particularly provides novel compounds of the general formula (I).

IPC Classes  ?

  • C07D 403/08 - Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group containing two hetero rings linked by a carbon chain containing alicyclic rings

80.

NOVEL HYDROXAMIC ACID-CONTAINING AMINO ACID DERIVATIVES

      
Application Number US2006025571
Publication Number 2007/005603
Status In Force
Filing Date 2006-06-29
Publication Date 2007-01-11
Owner BEXEL PHARMACEUTICALS, INC. (USA)
Inventor
  • Neogi, Partha
  • Dey, Debendranath
  • Nag, Abjiheet
  • Neogi, Sujata
  • Nag, Bishwajit

Abstract

Novel hydroxamic acid containing amino acid derivatives are provided that are useful for treatment of inflammation, inflammatory and immunological diseases; lowering blood glucose, serum insulin, free fatty acids, cholesterol and triglyceride levels; and for treatment or prophylaxis of metabolic disorders.

IPC Classes  ?

  • A01N 37/28 - Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing the group —CO—N, e.g. carboxylic acid amides or imidesThio-analogues thereof containing the group Thio-analogues thereof
  • A61K 31/19 - Carboxylic acids, e.g. valproic acid
  • C07C 259/04 - Compounds containing carboxyl groups, an oxygen atom of a carboxyl group being replaced by a nitrogen atom, this nitrogen atom being further bound to an oxygen atom and not being part of nitro or nitroso groups without replacement of the other oxygen atom of the carboxyl group, e.g. hydroxamic acids

81.

NOVEL DERIVATIVES OF AMINO ACIDS FOR TREATMENT OF OBESITY AND RELATED DISORDERS

      
Application Number US2006025883
Publication Number 2007/005774
Status In Force
Filing Date 2006-06-29
Publication Date 2007-01-11
Owner BEXEL PHARMACEUTICALS, INC. (USA)
Inventor
  • Dey, Debendranath
  • Nag, Abjiheet
  • Pandey, Bindu
  • Balse, Preeti
  • Neogi, Partha
  • Nag, Bishwajit

Abstract

Novel amino acid derivatives are provided that are useful for management of disorders such as obesity and immunological diseases. The derivatives are also useful in lowering blood glucose levels in hyperglycemic disorders and for treating related disorders such as body weight gain, elevated free fatty acid, cholesterol and triglyceride levels and other disorder exacerbated by obesity.

IPC Classes  ?

  • C07C 229/00 - Compounds containing amino and carboxyl groups bound to the same carbon skeleton

82.

NOVEL PYRAZOLOPYRIMIDINONE DERIVATIVES

      
Application Number IB2006001791
Publication Number 2007/000655
Status In Force
Filing Date 2006-06-28
Publication Date 2007-01-04
Owner ORCHID RESEARCH LABORATORIES LIMITED (India)
Inventor
  • Tadiparthi, Ravikumar
  • Pushpan, Simi
  • Rajagopal, Sriram
  • Barik, Rajib

Abstract

The present invention relates to novel pyrazolopyrimidinones of the general formula (I), their derivatives, their analogs, their pharmaceutically acceptable salts and pharmaceutically acceptable compositions containing them. The present invention more particularly provides novel pyrazolopyrimidinones derivatives of the general formula (I).

IPC Classes  ?

83.

PREPARATION OF 4-PYRIMIDONE DERIVATIVES FOR TREATING INFLAMMATORY DISEASES

      
Application Number IB2006001448
Publication Number 2006/129181
Status In Force
Filing Date 2006-06-02
Publication Date 2006-12-07
Owner ORCHID RESEARCH LABORATORIES LIMITED (India)
Inventor
  • Tadiparthi, Ravikumar
  • Aggarwal, Pawan
  • Reddy, Gaddam, Om
  • Parameswaran, Venkatesan
  • Rajagopal, Sriram
  • Raghuveeraswaminathan, Sankaranarayanan

Abstract

The present invention relates to novel compounds of the general formula (I), their derivatives, their analogs, their tautomeric forms, their stereoisomers, their polymorphs and their pharmaceutically acceptable salts and compositions. The present invention more particularly provides novel pyrimidones of the general formula (I).

IPC Classes  ?

  • C07D 239/47 - One nitrogen atom and one oxygen or sulfur atom, e.g. cytosine
  • C07D 239/48 - Two nitrogen atoms
  • C07D 401/04 - Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings directly linked by a ring-member-to-ring- member bond
  • A61K 31/513 - PyrimidinesHydrogenated pyrimidines, e.g. trimethoprim having oxo groups directly attached to the heterocyclic ring, e.g. cytosine

84.

HETEROCYCLIC DERIVATIVES

      
Application Number IB2006001364
Publication Number 2006/126074
Status In Force
Filing Date 2006-05-25
Publication Date 2006-11-30
Owner ORCHID RESEARCH LABORATORIES LIMITED (India)
Inventor
  • Pandey, Surendrakumar, Satyanarayan
  • Reddy, Gaddam, Om
  • Singh, Gajendra
  • Santhanagopalan, Chitra
  • Kadnur, Sanjay, Venkatachalapathi
  • Dey, Debendranath
  • Nag, Abhijeet

Abstract

The present invention relates to novel heterocyclic derivatives of the general formula (I), their pharmaceutically acceptable salts and compositions, their analogs, their tautomeric forms, and their stereoisomers. The present invention more particularly provides novel compounds of the general formula (I).

IPC Classes  ?

  • C07D 417/12 - Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group containing two hetero rings linked by a chain containing hetero atoms as chain links
  • C07D 417/06 - Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group containing two hetero rings linked by a carbon chain containing only aliphatic carbon atoms
  • C07D 413/12 - Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing two hetero rings linked by a chain containing hetero atoms as chain links

85.

NOVEL HETEROCYCLIC DERIVATIVES

      
Application Number IB2006001304
Publication Number 2006/123229
Status In Force
Filing Date 2006-05-18
Publication Date 2006-11-23
Owner ORCHID RESEARCH LABORATORIES LIMITED (India)
Inventor
  • Pandey, Surendrakumar, Satyanarayan
  • Singh, Gajendra
  • Sanjay, Kadnur, Venkatachalapathi
  • Nag, Bishwajit

Abstract

The present invention relates to novel heterocyclic derivatives of the general formula (I), their pharmaceutically acceptable salts, and their pharmaceutical compositions. The present invention more particularly provides novel compounds of the general formula (I).

IPC Classes  ?

  • C07D 213/74 - Amino or imino radicals substituted by hydrocarbon or substituted hydrocarbon radicals
  • A61K 31/44 - Non-condensed pyridinesHydrogenated derivatives thereof

86.

NOVEL HETEROCYCLIC DERIVATIVES

      
Application Number IB2006000854
Publication Number 2006/109146
Status In Force
Filing Date 2006-04-12
Publication Date 2006-10-19
Owner ORCHID RESEARCH LABORATORIES LIMITED (India)
Inventor
  • Pandey, Surendrakumar, Satyanarayan
  • Reddy, Gadam, Om
  • Agarwal, Shiv, Kumar
  • Singh, Gajendra
  • Chithra, Santhanagopalan
  • Dey, Debendranath
  • Nag, Abhijeet
  • Sanjay, Kadnur, Venkatachalapathi

Abstract

The present invention relates to novel heterocyclic derivatives of formula (I) and their pharmaceutically acceptable salts, their derivatives, their analogs, their tautomeric forms, their stereoisomers, their polymorphs, their hydrates, their solvates, their pharmaceutically acceptable salts, their pharmaceutical compositions, and their prodrugs thereof. The present invention more particularly provides novel compounds of the general formula (I). (I)

IPC Classes  ?

  • C07D 203/00 - Heterocyclic compounds containing three-membered rings with one nitrogen atom as the only ring hetero atom

87.

NOVEL TYROSINE DERIVATIVES

      
Application Number IB2006000525
Publication Number 2006/097809
Status In Force
Filing Date 2006-03-10
Publication Date 2006-09-21
Owner ORCHID CHEMICALS & PHARMACEUTICALS LIMITED (India)
Inventor
  • Pandey, Surendrakumar, Satyanarayan
  • Agarwal, Shiv, Kumar
  • Singh, Gajendra
  • Chithra, Santhanagopalan
  • Badiger, Sangmesh
  • Nag, Bishwajit
  • Dey, Debendranath
  • Nag, Abhijeet
  • Neogi, Partha

Abstract

The present invention relates to novel tyrosine derivatives of formula (I), their pharmaceutically acceptable salts and pharmaceutically acceptable compositions containing them. The present invention more particularly provides novel tyrosine derivatives of the general formula (I).

IPC Classes  ?

  • C07D 209/34 - Oxygen atoms in position 2
  • C07D 277/68 - Benzothiazoles with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached in position 2
  • A61K 31/404 - Indoles, e.g. pindolol